252309720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{821}}^1$

素因数の和:1045

約数の個数: 128

約数和(自身を含む): 820290240

約数和(自身を除く): 567980520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 197, 260, 312, 390, 394, 520, 591, 780, 788, 821, 985, 1182, 1560, 1576, 1642, 1970, 2364, 2463, 2561, 2955, 3284, 3940, 4105, 4728, 4926, 5122, 5910, 6568, 7683, 7880, 8210, 9852, 10244, 10673, 11820, 12315, 12805, 15366, 16420, 19704, 20488, 21346, 23640, 24630, 25610, 30732, 32019, 32840, 38415, 42692, 49260, 51220, 53365, 61464, 64038, 76830, 85384, 98520, 102440, 106730, 128076, 153660, 160095, 161737, 213460, 256152, 307320, 320190, 323474, 426920, 485211, 640380, 646948, 808685, 970422, 1280760, 1293896, 1617370, 1940844, 2102581, 2426055, 3234740, 3881688, 4205162, 4852110, 6307743, 6469480, 8410324, 9704220, 10512905, 12615486, 16820648, 19408440, 21025810, 25230972, 31538715, 42051620, 50461944, 63077430, 84103240, 126154860, 252309720]

約数ペア:

[(1, 252309720), (2, 126154860), (3, 84103240), (4, 63077430), (5, 50461944), (6, 42051620), (8, 31538715), (10, 25230972), (12, 21025810), (13, 19408440), (15, 16820648), (20, 12615486), (24, 10512905), (26, 9704220), (30, 8410324), (39, 6469480), (40, 6307743), (52, 4852110), (60, 4205162), (65, 3881688), (78, 3234740), (104, 2426055), (120, 2102581), (130, 1940844), (156, 1617370), (195, 1293896), (197, 1280760), (260, 970422), (312, 808685), (390, 646948), (394, 640380), (520, 485211), (591, 426920), (780, 323474), (788, 320190), (821, 307320), (985, 256152), (1182, 213460), (1560, 161737), (1576, 160095), (1642, 153660), (1970, 128076), (2364, 106730), (2463, 102440), (2561, 98520), (2955, 85384), (3284, 76830), (3940, 64038), (4105, 61464), (4728, 53365), (4926, 51220), (5122, 49260), (5910, 42692), (6568, 38415), (7683, 32840), (7880, 32019), (8210, 30732), (9852, 25610), (10244, 24630), (10673, 23640), (11820, 21346), (12315, 20488), (12805, 19704), (15366, 16420)]