256225440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:359

約数の個数: 192

約数和(自身を含む): 849139200

約数和(自身を除く): 592913760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 79, 80, 87, 96, 116, 120, 145, 158, 160, 174, 232, 233, 237, 240, 290, 316, 348, 395, 435, 464, 466, 474, 480, 580, 632, 696, 699, 790, 870, 928, 932, 948, 1160, 1165, 1185, 1264, 1392, 1398, 1580, 1740, 1864, 1896, 2291, 2320, 2330, 2370, 2528, 2784, 2796, 3160, 3480, 3495, 3728, 3792, 4582, 4640, 4660, 4740, 5592, 6320, 6757, 6873, 6960, 6990, 7456, 7584, 9164, 9320, 9480, 11184, 11455, 12640, 13514, 13746, 13920, 13980, 18328, 18407, 18640, 18960, 20271, 22368, 22910, 27028, 27492, 27960, 33785, 34365, 36656, 36814, 37280, 37920, 40542, 45820, 54056, 54984, 55221, 55920, 67570, 68730, 73312, 73628, 81084, 91640, 92035, 101355, 108112, 109968, 110442, 111840, 135140, 137460, 147256, 162168, 183280, 184070, 202710, 216224, 219936, 220884, 270280, 274920, 276105, 294512, 324336, 366560, 368140, 405420, 441768, 533803, 540560, 549840, 552210, 589024, 648672, 736280, 810840, 883536, 1067606, 1081120, 1099680, 1104420, 1472560, 1601409, 1621680, 1767072, 2135212, 2208840, 2669015, 2945120, 3202818, 3243360, 4270424, 4417680, 5338030, 6405636, 8007045, 8540848, 8835360, 10676060, 12811272, 16014090, 17081696, 21352120, 25622544, 32028180, 42704240, 51245088, 64056360, 85408480, 128112720, 256225440]

約数ペア:

[(1, 256225440), (2, 128112720), (3, 85408480), (4, 64056360), (5, 51245088), (6, 42704240), (8, 32028180), (10, 25622544), (12, 21352120), (15, 17081696), (16, 16014090), (20, 12811272), (24, 10676060), (29, 8835360), (30, 8540848), (32, 8007045), (40, 6405636), (48, 5338030), (58, 4417680), (60, 4270424), (79, 3243360), (80, 3202818), (87, 2945120), (96, 2669015), (116, 2208840), (120, 2135212), (145, 1767072), (158, 1621680), (160, 1601409), (174, 1472560), (232, 1104420), (233, 1099680), (237, 1081120), (240, 1067606), (290, 883536), (316, 810840), (348, 736280), (395, 648672), (435, 589024), (464, 552210), (466, 549840), (474, 540560), (480, 533803), (580, 441768), (632, 405420), (696, 368140), (699, 366560), (790, 324336), (870, 294512), (928, 276105), (932, 274920), (948, 270280), (1160, 220884), (1165, 219936), (1185, 216224), (1264, 202710), (1392, 184070), (1398, 183280), (1580, 162168), (1740, 147256), (1864, 137460), (1896, 135140), (2291, 111840), (2320, 110442), (2330, 109968), (2370, 108112), (2528, 101355), (2784, 92035), (2796, 91640), (3160, 81084), (3480, 73628), (3495, 73312), (3728, 68730), (3792, 67570), (4582, 55920), (4640, 55221), (4660, 54984), (4740, 54056), (5592, 45820), (6320, 40542), (6757, 37920), (6873, 37280), (6960, 36814), (6990, 36656), (7456, 34365), (7584, 33785), (9164, 27960), (9320, 27492), (9480, 27028), (11184, 22910), (11455, 22368), (12640, 20271), (13514, 18960), (13746, 18640), (13920, 18407), (13980, 18328)]