71609720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:325

約数の個数: 128

約数和(自身を含む): 201277440

約数和(自身を除く): 129667720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 103, 104, 130, 140, 182, 191, 206, 260, 280, 364, 382, 412, 455, 515, 520, 721, 728, 764, 824, 910, 955, 1030, 1337, 1339, 1442, 1528, 1820, 1910, 2060, 2483, 2674, 2678, 2884, 3605, 3640, 3820, 4120, 4966, 5348, 5356, 5768, 6685, 6695, 7210, 7640, 9373, 9932, 10696, 10712, 12415, 13370, 13390, 14420, 17381, 18746, 19673, 19864, 24830, 26740, 26780, 28840, 34762, 37492, 39346, 46865, 49660, 53480, 53560, 69524, 74984, 78692, 86905, 93730, 98365, 99320, 137711, 139048, 157384, 173810, 187460, 196730, 255749, 275422, 347620, 374920, 393460, 511498, 550844, 688555, 695240, 786920, 1022996, 1101688, 1278745, 1377110, 1790243, 2045992, 2557490, 2754220, 3580486, 5114980, 5508440, 7160972, 8951215, 10229960, 14321944, 17902430, 35804860, 71609720]

約数ペア:

[(1, 71609720), (2, 35804860), (4, 17902430), (5, 14321944), (7, 10229960), (8, 8951215), (10, 7160972), (13, 5508440), (14, 5114980), (20, 3580486), (26, 2754220), (28, 2557490), (35, 2045992), (40, 1790243), (52, 1377110), (56, 1278745), (65, 1101688), (70, 1022996), (91, 786920), (103, 695240), (104, 688555), (130, 550844), (140, 511498), (182, 393460), (191, 374920), (206, 347620), (260, 275422), (280, 255749), (364, 196730), (382, 187460), (412, 173810), (455, 157384), (515, 139048), (520, 137711), (721, 99320), (728, 98365), (764, 93730), (824, 86905), (910, 78692), (955, 74984), (1030, 69524), (1337, 53560), (1339, 53480), (1442, 49660), (1528, 46865), (1820, 39346), (1910, 37492), (2060, 34762), (2483, 28840), (2674, 26780), (2678, 26740), (2884, 24830), (3605, 19864), (3640, 19673), (3820, 18746), (4120, 17381), (4966, 14420), (5348, 13390), (5356, 13370), (5768, 12415), (6685, 10712), (6695, 10696), (7210, 9932), (7640, 9373)]