325509920

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:179

約数の個数: 144

約数和(自身を含む): 833285880

約数和(自身を除く): 507775960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 73, 80, 116, 124, 145, 146, 155, 160, 232, 248, 290, 292, 310, 365, 464, 496, 580, 584, 620, 730, 899, 928, 961, 992, 1160, 1168, 1240, 1460, 1798, 1922, 2117, 2263, 2320, 2336, 2480, 2920, 3596, 3844, 4234, 4495, 4526, 4640, 4805, 4960, 5840, 7192, 7688, 8468, 8990, 9052, 9610, 10585, 11315, 11680, 14384, 15376, 16936, 17980, 18104, 19220, 21170, 22630, 27869, 28768, 30752, 33872, 35960, 36208, 38440, 42340, 45260, 55738, 65627, 67744, 70153, 71920, 72416, 76880, 84680, 90520, 111476, 131254, 139345, 140306, 143840, 153760, 169360, 181040, 222952, 262508, 278690, 280612, 328135, 338720, 350765, 362080, 445904, 525016, 557380, 561224, 656270, 701530, 891808, 1050032, 1114760, 1122448, 1312540, 1403060, 2034437, 2100064, 2229520, 2244896, 2625080, 2806120, 4068874, 4459040, 5250160, 5612240, 8137748, 10172185, 10500320, 11224480, 16275496, 20344370, 32550992, 40688740, 65101984, 81377480, 162754960, 325509920]

約数ペア:

[(1, 325509920), (2, 162754960), (4, 81377480), (5, 65101984), (8, 40688740), (10, 32550992), (16, 20344370), (20, 16275496), (29, 11224480), (31, 10500320), (32, 10172185), (40, 8137748), (58, 5612240), (62, 5250160), (73, 4459040), (80, 4068874), (116, 2806120), (124, 2625080), (145, 2244896), (146, 2229520), (155, 2100064), (160, 2034437), (232, 1403060), (248, 1312540), (290, 1122448), (292, 1114760), (310, 1050032), (365, 891808), (464, 701530), (496, 656270), (580, 561224), (584, 557380), (620, 525016), (730, 445904), (899, 362080), (928, 350765), (961, 338720), (992, 328135), (1160, 280612), (1168, 278690), (1240, 262508), (1460, 222952), (1798, 181040), (1922, 169360), (2117, 153760), (2263, 143840), (2320, 140306), (2336, 139345), (2480, 131254), (2920, 111476), (3596, 90520), (3844, 84680), (4234, 76880), (4495, 72416), (4526, 71920), (4640, 70153), (4805, 67744), (4960, 65627), (5840, 55738), (7192, 45260), (7688, 42340), (8468, 38440), (8990, 36208), (9052, 35960), (9610, 33872), (10585, 30752), (11315, 28768), (11680, 27869), (14384, 22630), (15376, 21170), (16936, 19220), (17980, 18104)]