311801360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1733}}^1$

素因数の和:1932

約数の個数: 80

約数和(自身を含む): 785668464

約数和(自身を除く): 473867104

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 173, 208, 260, 346, 520, 692, 865, 1040, 1384, 1730, 1733, 2249, 2768, 3460, 3466, 4498, 6920, 6932, 8665, 8996, 11245, 13840, 13864, 17330, 17992, 22490, 22529, 27728, 34660, 35984, 44980, 45058, 69320, 89960, 90116, 112645, 138640, 179920, 180232, 225290, 299809, 360464, 450580, 599618, 901160, 1199236, 1499045, 1802320, 2398472, 2998090, 3897517, 4796944, 5996180, 7795034, 11992360, 15590068, 19487585, 23984720, 31180136, 38975170, 62360272, 77950340, 155900680, 311801360]

約数ペア:

[(1, 311801360), (2, 155900680), (4, 77950340), (5, 62360272), (8, 38975170), (10, 31180136), (13, 23984720), (16, 19487585), (20, 15590068), (26, 11992360), (40, 7795034), (52, 5996180), (65, 4796944), (80, 3897517), (104, 2998090), (130, 2398472), (173, 1802320), (208, 1499045), (260, 1199236), (346, 901160), (520, 599618), (692, 450580), (865, 360464), (1040, 299809), (1384, 225290), (1730, 180232), (1733, 179920), (2249, 138640), (2768, 112645), (3460, 90116), (3466, 89960), (4498, 69320), (6920, 45058), (6932, 44980), (8665, 35984), (8996, 34660), (11245, 27728), (13840, 22529), (13864, 22490), (17330, 17992)]