157863160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1399}}^1$

素因数の和:1461

約数の個数: 128

約数和(自身を含む): 451584000

約数和(自身を除く): 293720840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1399, 1612, 1736, 1820, 2015, 2170, 2798, 2821, 3224, 3640, 4030, 4340, 5596, 5642, 6995, 8060, 8680, 9793, 11192, 11284, 13990, 14105, 16120, 18187, 19586, 22568, 27980, 28210, 36374, 39172, 43369, 48965, 55960, 56420, 72748, 78344, 86738, 90935, 97930, 112840, 127309, 145496, 173476, 181870, 195860, 216845, 254618, 303583, 346952, 363740, 391720, 433690, 509236, 563797, 607166, 636545, 727480, 867380, 1018472, 1127594, 1214332, 1273090, 1517915, 1734760, 2255188, 2428664, 2546180, 2818985, 3035830, 3946579, 4510376, 5092360, 5637970, 6071660, 7893158, 11275940, 12143320, 15786316, 19732895, 22551880, 31572632, 39465790, 78931580, 157863160]

約数ペア:

[(1, 157863160), (2, 78931580), (4, 39465790), (5, 31572632), (7, 22551880), (8, 19732895), (10, 15786316), (13, 12143320), (14, 11275940), (20, 7893158), (26, 6071660), (28, 5637970), (31, 5092360), (35, 4510376), (40, 3946579), (52, 3035830), (56, 2818985), (62, 2546180), (65, 2428664), (70, 2255188), (91, 1734760), (104, 1517915), (124, 1273090), (130, 1214332), (140, 1127594), (155, 1018472), (182, 867380), (217, 727480), (248, 636545), (260, 607166), (280, 563797), (310, 509236), (364, 433690), (403, 391720), (434, 363740), (455, 346952), (520, 303583), (620, 254618), (728, 216845), (806, 195860), (868, 181870), (910, 173476), (1085, 145496), (1240, 127309), (1399, 112840), (1612, 97930), (1736, 90935), (1820, 86738), (2015, 78344), (2170, 72748), (2798, 56420), (2821, 55960), (3224, 48965), (3640, 43369), (4030, 39172), (4340, 36374), (5596, 28210), (5642, 27980), (6995, 22568), (8060, 19586), (8680, 18187), (9793, 16120), (11192, 14105), (11284, 13990)]