9851249440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1\times {\mathrm{811}}^1$

素因数の和:967

約数の個数: 144

約数和(自身を含む): 24382995840

約数和(自身を除く): 14531746400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 79, 80, 124, 155, 158, 160, 248, 310, 316, 395, 496, 620, 632, 790, 811, 961, 992, 1240, 1264, 1580, 1622, 1922, 2449, 2480, 2528, 3160, 3244, 3844, 4055, 4805, 4898, 4960, 6320, 6488, 7688, 8110, 9610, 9796, 12245, 12640, 12976, 15376, 16220, 19220, 19592, 24490, 25141, 25952, 30752, 32440, 38440, 39184, 48980, 50282, 64069, 64880, 75919, 76880, 78368, 97960, 100564, 125705, 128138, 129760, 151838, 153760, 195920, 201128, 251410, 256276, 303676, 320345, 379595, 391840, 402256, 502820, 512552, 607352, 640690, 759190, 779371, 804512, 1005640, 1025104, 1214704, 1281380, 1518380, 1558742, 1986139, 2011280, 2050208, 2429408, 2562760, 3036760, 3117484, 3896855, 3972278, 4022560, 5125520, 6073520, 6234968, 7793710, 7944556, 9930695, 10251040, 12147040, 12469936, 15587420, 15889112, 19861390, 24939872, 31174840, 31778224, 39722780, 61570309, 62349680, 63556448, 79445560, 123140618, 124699360, 158891120, 246281236, 307851545, 317782240, 492562472, 615703090, 985124944, 1231406180, 1970249888, 2462812360, 4925624720, 9851249440]

約数ペア:

[(1, 9851249440), (2, 4925624720), (4, 2462812360), (5, 1970249888), (8, 1231406180), (10, 985124944), (16, 615703090), (20, 492562472), (31, 317782240), (32, 307851545), (40, 246281236), (62, 158891120), (79, 124699360), (80, 123140618), (124, 79445560), (155, 63556448), (158, 62349680), (160, 61570309), (248, 39722780), (310, 31778224), (316, 31174840), (395, 24939872), (496, 19861390), (620, 15889112), (632, 15587420), (790, 12469936), (811, 12147040), (961, 10251040), (992, 9930695), (1240, 7944556), (1264, 7793710), (1580, 6234968), (1622, 6073520), (1922, 5125520), (2449, 4022560), (2480, 3972278), (2528, 3896855), (3160, 3117484), (3244, 3036760), (3844, 2562760), (4055, 2429408), (4805, 2050208), (4898, 2011280), (4960, 1986139), (6320, 1558742), (6488, 1518380), (7688, 1281380), (8110, 1214704), (9610, 1025104), (9796, 1005640), (12245, 804512), (12640, 779371), (12976, 759190), (15376, 640690), (16220, 607352), (19220, 512552), (19592, 502820), (24490, 402256), (25141, 391840), (25952, 379595), (30752, 320345), (32440, 303676), (38440, 256276), (39184, 251410), (48980, 201128), (50282, 195920), (64069, 153760), (64880, 151838), (75919, 129760), (76880, 128138), (78368, 125705), (97960, 100564)]