639876960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{587}}^1\times {\mathrm{757}}^1$

素因数の和:1365

約数の個数: 144

約数和(自身を含む): 2190189456

約数和(自身を除く): 1550312496

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 587, 720, 757, 1174, 1440, 1514, 1761, 2271, 2348, 2935, 3028, 3522, 3785, 4542, 4696, 5283, 5870, 6056, 6813, 7044, 7570, 8805, 9084, 9392, 10566, 11355, 11740, 12112, 13626, 14088, 15140, 17610, 18168, 18784, 21132, 22710, 23480, 24224, 26415, 27252, 28176, 30280, 34065, 35220, 36336, 42264, 45420, 46960, 52830, 54504, 56352, 60560, 68130, 70440, 72672, 84528, 90840, 93920, 105660, 109008, 121120, 136260, 140880, 169056, 181680, 211320, 218016, 272520, 281760, 363360, 422640, 444359, 545040, 845280, 888718, 1090080, 1333077, 1777436, 2221795, 2666154, 3554872, 3999231, 4443590, 5332308, 6665385, 7109744, 7998462, 8887180, 10664616, 13330770, 14219488, 15996924, 17774360, 19996155, 21329232, 26661540, 31993848, 35548720, 39992310, 42658464, 53323080, 63987696, 71097440, 79984620, 106646160, 127975392, 159969240, 213292320, 319938480, 639876960]

約数ペア:

[(1, 639876960), (2, 319938480), (3, 213292320), (4, 159969240), (5, 127975392), (6, 106646160), (8, 79984620), (9, 71097440), (10, 63987696), (12, 53323080), (15, 42658464), (16, 39992310), (18, 35548720), (20, 31993848), (24, 26661540), (30, 21329232), (32, 19996155), (36, 17774360), (40, 15996924), (45, 14219488), (48, 13330770), (60, 10664616), (72, 8887180), (80, 7998462), (90, 7109744), (96, 6665385), (120, 5332308), (144, 4443590), (160, 3999231), (180, 3554872), (240, 2666154), (288, 2221795), (360, 1777436), (480, 1333077), (587, 1090080), (720, 888718), (757, 845280), (1174, 545040), (1440, 444359), (1514, 422640), (1761, 363360), (2271, 281760), (2348, 272520), (2935, 218016), (3028, 211320), (3522, 181680), (3785, 169056), (4542, 140880), (4696, 136260), (5283, 121120), (5870, 109008), (6056, 105660), (6813, 93920), (7044, 90840), (7570, 84528), (8805, 72672), (9084, 70440), (9392, 68130), (10566, 60560), (11355, 56352), (11740, 54504), (12112, 52830), (13626, 46960), (14088, 45420), (15140, 42264), (17610, 36336), (18168, 35220), (18784, 34065), (21132, 30280), (22710, 28176), (23480, 27252), (24224, 26415)]