145174960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{653}}^1$

素因数の和:1070

約数の個数: 80

約数和(自身を含む): 387314496

約数和(自身を除く): 242139536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 397, 560, 653, 794, 1306, 1588, 1985, 2612, 2779, 3176, 3265, 3970, 4571, 5224, 5558, 6352, 6530, 7940, 9142, 10448, 11116, 13060, 13895, 15880, 18284, 22232, 22855, 26120, 27790, 31760, 36568, 44464, 45710, 52240, 55580, 73136, 91420, 111160, 182840, 222320, 259241, 365680, 518482, 1036964, 1296205, 1814687, 2073928, 2592410, 3629374, 4147856, 5184820, 7258748, 9073435, 10369640, 14517496, 18146870, 20739280, 29034992, 36293740, 72587480, 145174960]

約数ペア:

[(1, 145174960), (2, 72587480), (4, 36293740), (5, 29034992), (7, 20739280), (8, 18146870), (10, 14517496), (14, 10369640), (16, 9073435), (20, 7258748), (28, 5184820), (35, 4147856), (40, 3629374), (56, 2592410), (70, 2073928), (80, 1814687), (112, 1296205), (140, 1036964), (280, 518482), (397, 365680), (560, 259241), (653, 222320), (794, 182840), (1306, 111160), (1588, 91420), (1985, 73136), (2612, 55580), (2779, 52240), (3176, 45710), (3265, 44464), (3970, 36568), (4571, 31760), (5224, 27790), (5558, 26120), (6352, 22855), (6530, 22232), (7940, 18284), (9142, 15880), (10448, 13895), (11116, 13060)]