278550480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1223}}^1$

素因数の和:1325

約数の個数: 160

約数和(自身を含む): 943439616

約数和(自身を除く): 664889136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 73, 78, 80, 104, 120, 130, 146, 156, 195, 208, 219, 240, 260, 292, 312, 365, 390, 438, 520, 584, 624, 730, 780, 876, 949, 1040, 1095, 1168, 1223, 1460, 1560, 1752, 1898, 2190, 2446, 2847, 2920, 3120, 3504, 3669, 3796, 4380, 4745, 4892, 5694, 5840, 6115, 7338, 7592, 8760, 9490, 9784, 11388, 12230, 14235, 14676, 15184, 15899, 17520, 18345, 18980, 19568, 22776, 24460, 28470, 29352, 31798, 36690, 37960, 45552, 47697, 48920, 56940, 58704, 63596, 73380, 75920, 79495, 89279, 95394, 97840, 113880, 127192, 146760, 158990, 178558, 190788, 227760, 238485, 254384, 267837, 293520, 317980, 357116, 381576, 446395, 476970, 535674, 635960, 714232, 763152, 892790, 953940, 1071348, 1160627, 1271920, 1339185, 1428464, 1785580, 1907880, 2142696, 2321254, 2678370, 3481881, 3571160, 3815760, 4285392, 4642508, 5356740, 5803135, 6963762, 7142320, 9285016, 10713480, 11606270, 13927524, 17409405, 18570032, 21426960, 23212540, 27855048, 34818810, 46425080, 55710096, 69637620, 92850160, 139275240, 278550480]

約数ペア:

[(1, 278550480), (2, 139275240), (3, 92850160), (4, 69637620), (5, 55710096), (6, 46425080), (8, 34818810), (10, 27855048), (12, 23212540), (13, 21426960), (15, 18570032), (16, 17409405), (20, 13927524), (24, 11606270), (26, 10713480), (30, 9285016), (39, 7142320), (40, 6963762), (48, 5803135), (52, 5356740), (60, 4642508), (65, 4285392), (73, 3815760), (78, 3571160), (80, 3481881), (104, 2678370), (120, 2321254), (130, 2142696), (146, 1907880), (156, 1785580), (195, 1428464), (208, 1339185), (219, 1271920), (240, 1160627), (260, 1071348), (292, 953940), (312, 892790), (365, 763152), (390, 714232), (438, 635960), (520, 535674), (584, 476970), (624, 446395), (730, 381576), (780, 357116), (876, 317980), (949, 293520), (1040, 267837), (1095, 254384), (1168, 238485), (1223, 227760), (1460, 190788), (1560, 178558), (1752, 158990), (1898, 146760), (2190, 127192), (2446, 113880), (2847, 97840), (2920, 95394), (3120, 89279), (3504, 79495), (3669, 75920), (3796, 73380), (4380, 63596), (4745, 58704), (4892, 56940), (5694, 48920), (5840, 47697), (6115, 45552), (7338, 37960), (7592, 36690), (8760, 31798), (9490, 29352), (9784, 28470), (11388, 24460), (12230, 22776), (14235, 19568), (14676, 18980), (15184, 18345), (15899, 17520)]