31125900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1$

素因数の和:400

約数の個数: 144

約数和(自身を含む): 101493504

約数和(自身を除く): 70367604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 25, 26, 30, 39, 46, 50, 52, 60, 65, 69, 75, 78, 92, 100, 115, 130, 138, 150, 156, 195, 230, 260, 276, 299, 300, 325, 345, 347, 390, 460, 575, 598, 650, 690, 694, 780, 897, 975, 1041, 1150, 1196, 1300, 1380, 1388, 1495, 1725, 1735, 1794, 1950, 2082, 2300, 2990, 3450, 3470, 3588, 3900, 4164, 4485, 4511, 5205, 5980, 6900, 6940, 7475, 7981, 8675, 8970, 9022, 10410, 13533, 14950, 15962, 17350, 17940, 18044, 20820, 22425, 22555, 23943, 26025, 27066, 29900, 31924, 34700, 39905, 44850, 45110, 47886, 52050, 54132, 67665, 79810, 89700, 90220, 95772, 103753, 104100, 112775, 119715, 135330, 159620, 199525, 207506, 225550, 239430, 270660, 311259, 338325, 399050, 415012, 451100, 478860, 518765, 598575, 622518, 676650, 798100, 1037530, 1197150, 1245036, 1353300, 1556295, 2075060, 2394300, 2593825, 3112590, 5187650, 6225180, 7781475, 10375300, 15562950, 31125900]

約数ペア:

[(1, 31125900), (2, 15562950), (3, 10375300), (4, 7781475), (5, 6225180), (6, 5187650), (10, 3112590), (12, 2593825), (13, 2394300), (15, 2075060), (20, 1556295), (23, 1353300), (25, 1245036), (26, 1197150), (30, 1037530), (39, 798100), (46, 676650), (50, 622518), (52, 598575), (60, 518765), (65, 478860), (69, 451100), (75, 415012), (78, 399050), (92, 338325), (100, 311259), (115, 270660), (130, 239430), (138, 225550), (150, 207506), (156, 199525), (195, 159620), (230, 135330), (260, 119715), (276, 112775), (299, 104100), (300, 103753), (325, 95772), (345, 90220), (347, 89700), (390, 79810), (460, 67665), (575, 54132), (598, 52050), (650, 47886), (690, 45110), (694, 44850), (780, 39905), (897, 34700), (975, 31924), (1041, 29900), (1150, 27066), (1196, 26025), (1300, 23943), (1380, 22555), (1388, 22425), (1495, 20820), (1725, 18044), (1735, 17940), (1794, 17350), (1950, 15962), (2082, 14950), (2300, 13533), (2990, 10410), (3450, 9022), (3470, 8970), (3588, 8675), (3900, 7981), (4164, 7475), (4485, 6940), (4511, 6900), (5205, 5980)]