20315156960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{397}}^1$

素因数の和:594

約数の個数: 288

約数和(自身を含む): 57420262368

約数和(自身を除く): 37105105408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 61, 70, 80, 98, 107, 112, 122, 140, 160, 196, 214, 224, 244, 245, 280, 305, 392, 397, 427, 428, 488, 490, 535, 560, 610, 749, 784, 794, 854, 856, 976, 980, 1070, 1120, 1220, 1498, 1568, 1588, 1708, 1712, 1952, 1960, 1985, 2135, 2140, 2440, 2779, 2989, 2996, 3176, 3416, 3424, 3745, 3920, 3970, 4270, 4280, 4880, 5243, 5558, 5978, 5992, 6352, 6527, 6832, 7490, 7840, 7940, 8540, 8560, 9760, 10486, 11116, 11956, 11984, 12704, 13054, 13664, 13895, 14945, 14980, 15880, 17080, 17120, 19453, 20972, 22232, 23912, 23968, 24217, 26108, 26215, 27790, 29890, 29960, 31760, 32635, 34160, 38906, 41944, 42479, 44464, 45689, 47824, 48434, 52216, 52430, 55580, 59780, 59920, 63520, 65270, 68320, 77812, 83888, 84958, 88928, 91378, 95648, 96868, 97265, 104432, 104860, 111160, 119560, 119840, 121085, 130540, 155624, 167776, 169519, 169916, 182756, 193736, 194530, 208864, 209720, 212395, 222320, 228445, 239120, 242170, 261080, 297353, 311248, 319823, 339038, 339832, 365512, 387472, 389060, 419440, 424790, 444640, 456890, 478240, 484340, 522160, 594706, 622496, 639646, 678076, 679664, 731024, 774944, 778120, 838880, 847595, 849580, 913780, 968680, 1044320, 1186633, 1189412, 1279292, 1356152, 1359328, 1462048, 1486765, 1556240, 1599115, 1695190, 1699160, 1827560, 1937360, 2081471, 2373266, 2378824, 2558584, 2591219, 2712304, 2973530, 3112480, 3198230, 3390380, 3398320, 3655120, 3874720, 4162942, 4746532, 4757648, 5117168, 5182438, 5424608, 5933165, 5947060, 6396460, 6780760, 6796640, 7310240, 8325884, 9493064, 9515296, 10234336, 10364876, 10407355, 11866330, 11894120, 12792920, 12956095, 13561520, 16651768, 18138533, 18986128, 20729752, 20814710, 23732660, 23788240, 25585840, 25912190, 27123040, 33303536, 36277066, 37972256, 41459504, 41629420, 47465320, 47576480, 51171680, 51824380, 66607072, 72554132, 82919008, 83258840, 90692665, 94930640, 103648760, 126969731, 145108264, 166517680, 181385330, 189861280, 207297520, 253939462, 290216528, 333035360, 362770660, 414595040, 507878924, 580433056, 634848655, 725541320, 1015757848, 1269697310, 1451082640, 2031515696, 2539394620, 2902165280, 4063031392, 5078789240, 10157578480, 20315156960]

約数ペア:

[(1, 20315156960), (2, 10157578480), (4, 5078789240), (5, 4063031392), (7, 2902165280), (8, 2539394620), (10, 2031515696), (14, 1451082640), (16, 1269697310), (20, 1015757848), (28, 725541320), (32, 634848655), (35, 580433056), (40, 507878924), (49, 414595040), (56, 362770660), (61, 333035360), (70, 290216528), (80, 253939462), (98, 207297520), (107, 189861280), (112, 181385330), (122, 166517680), (140, 145108264), (160, 126969731), (196, 103648760), (214, 94930640), (224, 90692665), (244, 83258840), (245, 82919008), (280, 72554132), (305, 66607072), (392, 51824380), (397, 51171680), (427, 47576480), (428, 47465320), (488, 41629420), (490, 41459504), (535, 37972256), (560, 36277066), (610, 33303536), (749, 27123040), (784, 25912190), (794, 25585840), (854, 23788240), (856, 23732660), (976, 20814710), (980, 20729752), (1070, 18986128), (1120, 18138533), (1220, 16651768), (1498, 13561520), (1568, 12956095), (1588, 12792920), (1708, 11894120), (1712, 11866330), (1952, 10407355), (1960, 10364876), (1985, 10234336), (2135, 9515296), (2140, 9493064), (2440, 8325884), (2779, 7310240), (2989, 6796640), (2996, 6780760), (3176, 6396460), (3416, 5947060), (3424, 5933165), (3745, 5424608), (3920, 5182438), (3970, 5117168), (4270, 4757648), (4280, 4746532), (4880, 4162942), (5243, 3874720), (5558, 3655120), (5978, 3398320), (5992, 3390380), (6352, 3198230), (6527, 3112480), (6832, 2973530), (7490, 2712304), (7840, 2591219), (7940, 2558584), (8540, 2378824), (8560, 2373266), (9760, 2081471), (10486, 1937360), (11116, 1827560), (11956, 1699160), (11984, 1695190), (12704, 1599115), (13054, 1556240), (13664, 1486765), (13895, 1462048), (14945, 1359328), (14980, 1356152), (15880, 1279292), (17080, 1189412), (17120, 1186633), (19453, 1044320), (20972, 968680), (22232, 913780), (23912, 849580), (23968, 847595), (24217, 838880), (26108, 778120), (26215, 774944), (27790, 731024), (29890, 679664), (29960, 678076), (31760, 639646), (32635, 622496), (34160, 594706), (38906, 522160), (41944, 484340), (42479, 478240), (44464, 456890), (45689, 444640), (47824, 424790), (48434, 419440), (52216, 389060), (52430, 387472), (55580, 365512), (59780, 339832), (59920, 339038), (63520, 319823), (65270, 311248), (68320, 297353), (77812, 261080), (83888, 242170), (84958, 239120), (88928, 228445), (91378, 222320), (95648, 212395), (96868, 209720), (97265, 208864), (104432, 194530), (104860, 193736), (111160, 182756), (119560, 169916), (119840, 169519), (121085, 167776), (130540, 155624)]