80045420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 216111168

約数和(自身を除く): 136065748

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 61, 65, 70, 91, 98, 103, 122, 130, 140, 182, 196, 206, 244, 245, 260, 305, 364, 412, 427, 455, 490, 515, 610, 637, 721, 793, 854, 910, 980, 1030, 1220, 1274, 1339, 1442, 1586, 1708, 1820, 2060, 2135, 2548, 2678, 2884, 2989, 3172, 3185, 3605, 3965, 4270, 5047, 5356, 5551, 5978, 6283, 6370, 6695, 7210, 7930, 8540, 9373, 10094, 11102, 11956, 12566, 12740, 13390, 14420, 14945, 15860, 18746, 20188, 22204, 25132, 25235, 26780, 27755, 29890, 31415, 37492, 38857, 43981, 46865, 50470, 55510, 59780, 62830, 65611, 77714, 81679, 87962, 93730, 100940, 111020, 125660, 131222, 155428, 163358, 175924, 187460, 194285, 219905, 262444, 307867, 326716, 328055, 388570, 408395, 439810, 571753, 615734, 656110, 777140, 816790, 879620, 1143506, 1231468, 1312220, 1539335, 1633580, 2287012, 2858765, 3078670, 4002271, 5717530, 6157340, 8004542, 11435060, 16009084, 20011355, 40022710, 80045420]

約数ペア:

[(1, 80045420), (2, 40022710), (4, 20011355), (5, 16009084), (7, 11435060), (10, 8004542), (13, 6157340), (14, 5717530), (20, 4002271), (26, 3078670), (28, 2858765), (35, 2287012), (49, 1633580), (52, 1539335), (61, 1312220), (65, 1231468), (70, 1143506), (91, 879620), (98, 816790), (103, 777140), (122, 656110), (130, 615734), (140, 571753), (182, 439810), (196, 408395), (206, 388570), (244, 328055), (245, 326716), (260, 307867), (305, 262444), (364, 219905), (412, 194285), (427, 187460), (455, 175924), (490, 163358), (515, 155428), (610, 131222), (637, 125660), (721, 111020), (793, 100940), (854, 93730), (910, 87962), (980, 81679), (1030, 77714), (1220, 65611), (1274, 62830), (1339, 59780), (1442, 55510), (1586, 50470), (1708, 46865), (1820, 43981), (2060, 38857), (2135, 37492), (2548, 31415), (2678, 29890), (2884, 27755), (2989, 26780), (3172, 25235), (3185, 25132), (3605, 22204), (3965, 20188), (4270, 18746), (5047, 15860), (5356, 14945), (5551, 14420), (5978, 13390), (6283, 12740), (6370, 12566), (6695, 11956), (7210, 11102), (7930, 10094), (8540, 9373)]