1639597440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:242

約数の個数: 384

約数和(自身を含む): 5877550080

約数和(自身を除く): 4237952640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 64, 65, 78, 80, 93, 96, 104, 120, 124, 128, 130, 155, 156, 160, 163, 169, 186, 192, 195, 208, 240, 248, 260, 310, 312, 320, 326, 338, 372, 384, 390, 403, 416, 465, 480, 489, 496, 507, 520, 620, 624, 640, 652, 676, 744, 780, 806, 815, 832, 845, 930, 960, 978, 992, 1014, 1040, 1209, 1240, 1248, 1304, 1352, 1488, 1560, 1612, 1630, 1664, 1690, 1860, 1920, 1956, 1984, 2015, 2028, 2080, 2119, 2418, 2445, 2480, 2496, 2535, 2608, 2704, 2976, 3120, 3224, 3260, 3380, 3720, 3912, 3968, 4030, 4056, 4160, 4238, 4836, 4890, 4960, 4992, 5053, 5070, 5216, 5239, 5408, 5952, 6045, 6240, 6357, 6448, 6520, 6760, 7440, 7824, 8060, 8112, 8320, 8476, 9672, 9780, 9920, 10106, 10140, 10432, 10478, 10595, 10816, 11904, 12090, 12480, 12714, 12896, 13040, 13520, 14880, 15159, 15648, 15717, 16120, 16224, 16952, 19344, 19560, 19840, 20212, 20280, 20864, 20956, 21190, 21632, 24180, 24960, 25265, 25428, 25792, 26080, 26195, 27040, 27547, 29760, 30318, 31296, 31434, 31785, 32240, 32448, 33904, 38688, 39120, 40424, 40560, 41912, 42380, 48360, 50530, 50856, 51584, 52160, 52390, 54080, 55094, 59520, 60636, 62592, 62868, 63570, 64480, 64896, 65689, 67808, 75795, 77376, 78240, 78585, 80848, 81120, 82641, 83824, 84760, 96720, 101060, 101712, 104320, 104780, 108160, 110188, 121272, 125736, 127140, 128960, 131378, 135616, 137735, 151590, 154752, 156480, 157170, 161696, 162240, 165282, 167648, 169520, 193440, 197067, 202120, 203424, 209560, 220376, 242544, 251472, 254280, 257920, 262756, 271232, 275470, 303180, 312960, 314340, 323392, 324480, 328445, 330564, 335296, 339040, 386880, 394134, 404240, 406848, 413205, 419120, 440752, 485088, 502944, 508560, 525512, 550940, 606360, 628680, 646784, 656890, 661128, 670592, 678080, 773760, 788268, 808480, 813696, 826410, 838240, 853957, 881504, 970176, 985335, 1005888, 1017120, 1051024, 1101880, 1212720, 1257360, 1313780, 1322256, 1356160, 1576536, 1616960, 1652820, 1676480, 1707914, 1763008, 1940352, 1970670, 2011776, 2034240, 2102048, 2203760, 2425440, 2514720, 2561871, 2627560, 2644512, 3153072, 3233920, 3305640, 3352960, 3415828, 3526016, 3941340, 4068480, 4204096, 4269785, 4407520, 4850880, 5029440, 5123742, 5255120, 5289024, 6306144, 6611280, 6831656, 7882680, 8408192, 8539570, 8815040, 9701760, 10058880, 10247484, 10510240, 10578048, 12612288, 12809355, 13222560, 13663312, 15765360, 17079140, 17630080, 20494968, 21020480, 25224576, 25618710, 26445120, 27326624, 31530720, 34158280, 40989936, 42040960, 51237420, 52890240, 54653248, 63061440, 68316560, 81979872, 102474840, 109306496, 126122880, 136633120, 163959744, 204949680, 273266240, 327919488, 409899360, 546532480, 819798720, 1639597440]

約数ペア:

[(1, 1639597440), (2, 819798720), (3, 546532480), (4, 409899360), (5, 327919488), (6, 273266240), (8, 204949680), (10, 163959744), (12, 136633120), (13, 126122880), (15, 109306496), (16, 102474840), (20, 81979872), (24, 68316560), (26, 63061440), (30, 54653248), (31, 52890240), (32, 51237420), (39, 42040960), (40, 40989936), (48, 34158280), (52, 31530720), (60, 27326624), (62, 26445120), (64, 25618710), (65, 25224576), (78, 21020480), (80, 20494968), (93, 17630080), (96, 17079140), (104, 15765360), (120, 13663312), (124, 13222560), (128, 12809355), (130, 12612288), (155, 10578048), (156, 10510240), (160, 10247484), (163, 10058880), (169, 9701760), (186, 8815040), (192, 8539570), (195, 8408192), (208, 7882680), (240, 6831656), (248, 6611280), (260, 6306144), (310, 5289024), (312, 5255120), (320, 5123742), (326, 5029440), (338, 4850880), (372, 4407520), (384, 4269785), (390, 4204096), (403, 4068480), (416, 3941340), (465, 3526016), (480, 3415828), (489, 3352960), (496, 3305640), (507, 3233920), (520, 3153072), (620, 2644512), (624, 2627560), (640, 2561871), (652, 2514720), (676, 2425440), (744, 2203760), (780, 2102048), (806, 2034240), (815, 2011776), (832, 1970670), (845, 1940352), (930, 1763008), (960, 1707914), (978, 1676480), (992, 1652820), (1014, 1616960), (1040, 1576536), (1209, 1356160), (1240, 1322256), (1248, 1313780), (1304, 1257360), (1352, 1212720), (1488, 1101880), (1560, 1051024), (1612, 1017120), (1630, 1005888), (1664, 985335), (1690, 970176), (1860, 881504), (1920, 853957), (1956, 838240), (1984, 826410), (2015, 813696), (2028, 808480), (2080, 788268), (2119, 773760), (2418, 678080), (2445, 670592), (2480, 661128), (2496, 656890), (2535, 646784), (2608, 628680), (2704, 606360), (2976, 550940), (3120, 525512), (3224, 508560), (3260, 502944), (3380, 485088), (3720, 440752), (3912, 419120), (3968, 413205), (4030, 406848), (4056, 404240), (4160, 394134), (4238, 386880), (4836, 339040), (4890, 335296), (4960, 330564), (4992, 328445), (5053, 324480), (5070, 323392), (5216, 314340), (5239, 312960), (5408, 303180), (5952, 275470), (6045, 271232), (6240, 262756), (6357, 257920), (6448, 254280), (6520, 251472), (6760, 242544), (7440, 220376), (7824, 209560), (8060, 203424), (8112, 202120), (8320, 197067), (8476, 193440), (9672, 169520), (9780, 167648), (9920, 165282), (10106, 162240), (10140, 161696), (10432, 157170), (10478, 156480), (10595, 154752), (10816, 151590), (11904, 137735), (12090, 135616), (12480, 131378), (12714, 128960), (12896, 127140), (13040, 125736), (13520, 121272), (14880, 110188), (15159, 108160), (15648, 104780), (15717, 104320), (16120, 101712), (16224, 101060), (16952, 96720), (19344, 84760), (19560, 83824), (19840, 82641), (20212, 81120), (20280, 80848), (20864, 78585), (20956, 78240), (21190, 77376), (21632, 75795), (24180, 67808), (24960, 65689), (25265, 64896), (25428, 64480), (25792, 63570), (26080, 62868), (26195, 62592), (27040, 60636), (27547, 59520), (29760, 55094), (30318, 54080), (31296, 52390), (31434, 52160), (31785, 51584), (32240, 50856), (32448, 50530), (33904, 48360), (38688, 42380), (39120, 41912), (40424, 40560)]