641382560

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:109

約数の個数: 384

約数和(自身を含む): 2032128000

約数和(自身を除く): 1390745440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 29, 31, 32, 35, 40, 49, 52, 56, 58, 62, 65, 70, 80, 91, 98, 104, 112, 116, 124, 130, 140, 145, 155, 160, 182, 196, 203, 208, 217, 224, 232, 245, 248, 260, 280, 290, 310, 343, 364, 377, 392, 403, 406, 416, 434, 455, 464, 490, 496, 520, 560, 580, 620, 637, 686, 728, 754, 784, 806, 812, 868, 899, 910, 928, 980, 992, 1015, 1040, 1085, 1120, 1160, 1240, 1274, 1372, 1421, 1456, 1508, 1519, 1568, 1612, 1624, 1715, 1736, 1798, 1820, 1885, 1960, 2015, 2030, 2080, 2170, 2320, 2480, 2548, 2639, 2744, 2821, 2842, 2912, 3016, 3038, 3185, 3224, 3248, 3430, 3472, 3596, 3640, 3770, 3920, 4030, 4060, 4340, 4459, 4495, 4640, 4960, 5096, 5278, 5488, 5642, 5684, 6032, 6076, 6293, 6370, 6448, 6496, 6860, 6944, 7105, 7192, 7280, 7540, 7595, 7840, 8060, 8120, 8680, 8918, 8990, 9947, 10192, 10556, 10633, 10976, 11284, 11368, 11687, 12064, 12152, 12586, 12740, 12896, 13195, 13720, 14105, 14210, 14384, 14560, 15080, 15190, 16120, 16240, 17360, 17836, 17980, 18473, 19747, 19894, 20384, 21112, 21266, 22295, 22568, 22736, 23374, 24304, 25172, 25480, 26390, 27440, 28210, 28420, 28768, 30160, 30380, 31465, 32240, 32480, 34720, 35672, 35960, 36946, 39494, 39788, 42224, 42532, 44051, 44590, 45136, 45472, 46748, 48608, 49735, 50344, 50960, 52780, 53165, 54880, 56420, 56840, 58435, 60320, 60760, 62930, 64480, 71344, 71920, 73892, 78988, 79576, 81809, 84448, 85064, 88102, 89180, 90272, 92365, 93496, 98735, 99470, 100688, 101920, 105560, 106330, 112840, 113680, 116870, 121520, 125860, 129311, 138229, 142688, 143840, 147784, 157976, 159152, 163618, 170128, 176204, 178360, 184730, 186992, 197470, 198940, 201376, 211120, 212660, 220255, 225680, 227360, 233740, 243040, 251720, 258622, 276458, 295568, 308357, 315952, 318304, 327236, 340256, 352408, 356720, 369460, 373984, 394940, 397880, 409045, 422240, 425320, 440510, 451360, 467480, 503440, 517244, 552916, 572663, 591136, 616714, 631904, 646555, 654472, 691145, 704816, 713440, 738920, 789880, 795760, 818090, 850640, 881020, 934960, 1006880, 1034488, 1105832, 1145326, 1233428, 1293110, 1308944, 1382290, 1409632, 1477840, 1541785, 1579760, 1591520, 1636180, 1701280, 1762040, 1869920, 2068976, 2211664, 2290652, 2466856, 2586220, 2617888, 2764580, 2863315, 2955680, 3083570, 3159520, 3272360, 3524080, 4008641, 4137952, 4423328, 4581304, 4933712, 5172440, 5529160, 5726630, 6167140, 6544720, 7048160, 8017282, 9162608, 9867424, 10344880, 11058320, 11453260, 12334280, 13089440, 16034564, 18325216, 20043205, 20689760, 22116640, 22906520, 24668560, 32069128, 40086410, 45813040, 49337120, 64138256, 80172820, 91626080, 128276512, 160345640, 320691280, 641382560]

約数ペア:

[(1, 641382560), (2, 320691280), (4, 160345640), (5, 128276512), (7, 91626080), (8, 80172820), (10, 64138256), (13, 49337120), (14, 45813040), (16, 40086410), (20, 32069128), (26, 24668560), (28, 22906520), (29, 22116640), (31, 20689760), (32, 20043205), (35, 18325216), (40, 16034564), (49, 13089440), (52, 12334280), (56, 11453260), (58, 11058320), (62, 10344880), (65, 9867424), (70, 9162608), (80, 8017282), (91, 7048160), (98, 6544720), (104, 6167140), (112, 5726630), (116, 5529160), (124, 5172440), (130, 4933712), (140, 4581304), (145, 4423328), (155, 4137952), (160, 4008641), (182, 3524080), (196, 3272360), (203, 3159520), (208, 3083570), (217, 2955680), (224, 2863315), (232, 2764580), (245, 2617888), (248, 2586220), (260, 2466856), (280, 2290652), (290, 2211664), (310, 2068976), (343, 1869920), (364, 1762040), (377, 1701280), (392, 1636180), (403, 1591520), (406, 1579760), (416, 1541785), (434, 1477840), (455, 1409632), (464, 1382290), (490, 1308944), (496, 1293110), (520, 1233428), (560, 1145326), (580, 1105832), (620, 1034488), (637, 1006880), (686, 934960), (728, 881020), (754, 850640), (784, 818090), (806, 795760), (812, 789880), (868, 738920), (899, 713440), (910, 704816), (928, 691145), (980, 654472), (992, 646555), (1015, 631904), (1040, 616714), (1085, 591136), (1120, 572663), (1160, 552916), (1240, 517244), (1274, 503440), (1372, 467480), (1421, 451360), (1456, 440510), (1508, 425320), (1519, 422240), (1568, 409045), (1612, 397880), (1624, 394940), (1715, 373984), (1736, 369460), (1798, 356720), (1820, 352408), (1885, 340256), (1960, 327236), (2015, 318304), (2030, 315952), (2080, 308357), (2170, 295568), (2320, 276458), (2480, 258622), (2548, 251720), (2639, 243040), (2744, 233740), (2821, 227360), (2842, 225680), (2912, 220255), (3016, 212660), (3038, 211120), (3185, 201376), (3224, 198940), (3248, 197470), (3430, 186992), (3472, 184730), (3596, 178360), (3640, 176204), (3770, 170128), (3920, 163618), (4030, 159152), (4060, 157976), (4340, 147784), (4459, 143840), (4495, 142688), (4640, 138229), (4960, 129311), (5096, 125860), (5278, 121520), (5488, 116870), (5642, 113680), (5684, 112840), (6032, 106330), (6076, 105560), (6293, 101920), (6370, 100688), (6448, 99470), (6496, 98735), (6860, 93496), (6944, 92365), (7105, 90272), (7192, 89180), (7280, 88102), (7540, 85064), (7595, 84448), (7840, 81809), (8060, 79576), (8120, 78988), (8680, 73892), (8918, 71920), (8990, 71344), (9947, 64480), (10192, 62930), (10556, 60760), (10633, 60320), (10976, 58435), (11284, 56840), (11368, 56420), (11687, 54880), (12064, 53165), (12152, 52780), (12586, 50960), (12740, 50344), (12896, 49735), (13195, 48608), (13720, 46748), (14105, 45472), (14210, 45136), (14384, 44590), (14560, 44051), (15080, 42532), (15190, 42224), (16120, 39788), (16240, 39494), (17360, 36946), (17836, 35960), (17980, 35672), (18473, 34720), (19747, 32480), (19894, 32240), (20384, 31465), (21112, 30380), (21266, 30160), (22295, 28768), (22568, 28420), (22736, 28210), (23374, 27440), (24304, 26390), (25172, 25480)]