142718520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2393}}^1$

素因数の和:2485

約数の個数: 128

約数和(自身を含む): 496419840

約数和(自身を除く): 353701320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2393, 2485, 2840, 2982, 3976, 4260, 4786, 4970, 5964, 7179, 7455, 8520, 9572, 9940, 11928, 11965, 14358, 14910, 16751, 19144, 19880, 23930, 28716, 29820, 33502, 35895, 47860, 50253, 57432, 59640, 67004, 71790, 83755, 95720, 100506, 134008, 143580, 167510, 169903, 201012, 251265, 287160, 335020, 339806, 402024, 502530, 509709, 670040, 679612, 849515, 1005060, 1019418, 1189321, 1359224, 1699030, 2010120, 2038836, 2378642, 2548545, 3398060, 3567963, 4077672, 4757284, 5097090, 5946605, 6796120, 7135926, 9514568, 10194180, 11893210, 14271852, 17839815, 20388360, 23786420, 28543704, 35679630, 47572840, 71359260, 142718520]

約数ペア:

[(1, 142718520), (2, 71359260), (3, 47572840), (4, 35679630), (5, 28543704), (6, 23786420), (7, 20388360), (8, 17839815), (10, 14271852), (12, 11893210), (14, 10194180), (15, 9514568), (20, 7135926), (21, 6796120), (24, 5946605), (28, 5097090), (30, 4757284), (35, 4077672), (40, 3567963), (42, 3398060), (56, 2548545), (60, 2378642), (70, 2038836), (71, 2010120), (84, 1699030), (105, 1359224), (120, 1189321), (140, 1019418), (142, 1005060), (168, 849515), (210, 679612), (213, 670040), (280, 509709), (284, 502530), (355, 402024), (420, 339806), (426, 335020), (497, 287160), (568, 251265), (710, 201012), (840, 169903), (852, 167510), (994, 143580), (1065, 134008), (1420, 100506), (1491, 95720), (1704, 83755), (1988, 71790), (2130, 67004), (2393, 59640), (2485, 57432), (2840, 50253), (2982, 47860), (3976, 35895), (4260, 33502), (4786, 29820), (4970, 28716), (5964, 23930), (7179, 19880), (7455, 19144), (8520, 16751), (9572, 14910), (9940, 14358), (11928, 11965)]