261637680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:443

約数の個数: 160

約数和(自身を含む): 841446144

約数和(自身を除く): 579808464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 67, 80, 106, 120, 134, 159, 201, 212, 240, 265, 268, 307, 318, 335, 402, 424, 530, 536, 614, 636, 670, 795, 804, 848, 921, 1005, 1060, 1072, 1228, 1272, 1340, 1535, 1590, 1608, 1842, 2010, 2120, 2456, 2544, 2680, 3070, 3180, 3216, 3551, 3684, 4020, 4240, 4605, 4912, 5360, 6140, 6360, 7102, 7368, 8040, 9210, 10653, 12280, 12720, 14204, 14736, 16080, 16271, 17755, 18420, 20569, 21306, 24560, 28408, 32542, 35510, 36840, 41138, 42612, 48813, 53265, 56816, 61707, 65084, 71020, 73680, 81355, 82276, 85224, 97626, 102845, 106530, 123414, 130168, 142040, 162710, 164552, 170448, 195252, 205690, 213060, 244065, 246828, 260336, 284080, 308535, 325420, 329104, 390504, 411380, 426120, 488130, 493656, 617070, 650840, 781008, 822760, 852240, 976260, 987312, 1090157, 1234140, 1301680, 1645520, 1952520, 2180314, 2468280, 3270471, 3905040, 4360628, 4936560, 5450785, 6540942, 8721256, 10901570, 13081884, 16352355, 17442512, 21803140, 26163768, 32704710, 43606280, 52327536, 65409420, 87212560, 130818840, 261637680]

約数ペア:

[(1, 261637680), (2, 130818840), (3, 87212560), (4, 65409420), (5, 52327536), (6, 43606280), (8, 32704710), (10, 26163768), (12, 21803140), (15, 17442512), (16, 16352355), (20, 13081884), (24, 10901570), (30, 8721256), (40, 6540942), (48, 5450785), (53, 4936560), (60, 4360628), (67, 3905040), (80, 3270471), (106, 2468280), (120, 2180314), (134, 1952520), (159, 1645520), (201, 1301680), (212, 1234140), (240, 1090157), (265, 987312), (268, 976260), (307, 852240), (318, 822760), (335, 781008), (402, 650840), (424, 617070), (530, 493656), (536, 488130), (614, 426120), (636, 411380), (670, 390504), (795, 329104), (804, 325420), (848, 308535), (921, 284080), (1005, 260336), (1060, 246828), (1072, 244065), (1228, 213060), (1272, 205690), (1340, 195252), (1535, 170448), (1590, 164552), (1608, 162710), (1842, 142040), (2010, 130168), (2120, 123414), (2456, 106530), (2544, 102845), (2680, 97626), (3070, 85224), (3180, 82276), (3216, 81355), (3551, 73680), (3684, 71020), (4020, 65084), (4240, 61707), (4605, 56816), (4912, 53265), (5360, 48813), (6140, 42612), (6360, 41138), (7102, 36840), (7368, 35510), (8040, 32542), (9210, 28408), (10653, 24560), (12280, 21306), (12720, 20569), (14204, 18420), (14736, 17755), (16080, 16271)]