405393456

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{3079}}^1$

素因数の和:3314

約数の個数: 80

約数和(自身を含む): 1133538560

約数和(自身を除く): 728145104

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 211, 312, 422, 624, 633, 844, 1266, 1688, 2532, 2743, 3079, 3376, 5064, 5486, 6158, 8229, 9237, 10128, 10972, 12316, 16458, 18474, 21944, 24632, 32916, 36948, 40027, 43888, 49264, 65832, 73896, 80054, 120081, 131664, 147792, 160108, 240162, 320216, 480324, 640432, 649669, 960648, 1299338, 1921296, 1949007, 2598676, 3898014, 5197352, 7796028, 8445697, 10394704, 15592056, 16891394, 25337091, 31184112, 33782788, 50674182, 67565576, 101348364, 135131152, 202696728, 405393456]

約数ペア:

[(1, 405393456), (2, 202696728), (3, 135131152), (4, 101348364), (6, 67565576), (8, 50674182), (12, 33782788), (13, 31184112), (16, 25337091), (24, 16891394), (26, 15592056), (39, 10394704), (48, 8445697), (52, 7796028), (78, 5197352), (104, 3898014), (156, 2598676), (208, 1949007), (211, 1921296), (312, 1299338), (422, 960648), (624, 649669), (633, 640432), (844, 480324), (1266, 320216), (1688, 240162), (2532, 160108), (2743, 147792), (3079, 131664), (3376, 120081), (5064, 80054), (5486, 73896), (6158, 65832), (8229, 49264), (9237, 43888), (10128, 40027), (10972, 36948), (12316, 32916), (16458, 24632), (18474, 21944)]