183918780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2081}}^1$

素因数の和:2587

約数の個数: 72

約数和(自身を含む): 559291824

約数和(自身を除く): 375373044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 491, 982, 1473, 1964, 2081, 2455, 2946, 4162, 4419, 4910, 5892, 6243, 7365, 8324, 8838, 9820, 10405, 12486, 14730, 17676, 18729, 20810, 22095, 24972, 29460, 31215, 37458, 41620, 44190, 62430, 74916, 88380, 93645, 124860, 187290, 374580, 1021771, 2043542, 3065313, 4087084, 5108855, 6130626, 9195939, 10217710, 12261252, 15326565, 18391878, 20435420, 30653130, 36783756, 45979695, 61306260, 91959390, 183918780]

約数ペア:

[(1, 183918780), (2, 91959390), (3, 61306260), (4, 45979695), (5, 36783756), (6, 30653130), (9, 20435420), (10, 18391878), (12, 15326565), (15, 12261252), (18, 10217710), (20, 9195939), (30, 6130626), (36, 5108855), (45, 4087084), (60, 3065313), (90, 2043542), (180, 1021771), (491, 374580), (982, 187290), (1473, 124860), (1964, 93645), (2081, 88380), (2455, 74916), (2946, 62430), (4162, 44190), (4419, 41620), (4910, 37458), (5892, 31215), (6243, 29460), (7365, 24972), (8324, 22095), (8838, 20810), (9820, 18729), (10405, 17676), (12486, 14730)]