128181720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:337

約数の個数: 128

約数和(自身を含む): 396576000

約数和(自身を除く): 268394280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 107, 120, 134, 149, 201, 214, 268, 298, 321, 335, 402, 428, 447, 535, 536, 596, 642, 670, 745, 804, 856, 894, 1005, 1070, 1192, 1284, 1340, 1490, 1605, 1608, 1788, 2010, 2140, 2235, 2568, 2680, 2980, 3210, 3576, 4020, 4280, 4470, 5960, 6420, 7169, 8040, 8940, 9983, 12840, 14338, 15943, 17880, 19966, 21507, 28676, 29949, 31886, 35845, 39932, 43014, 47829, 49915, 57352, 59898, 63772, 71690, 79715, 79864, 86028, 95658, 99830, 107535, 119796, 127544, 143380, 149745, 159430, 172056, 191316, 199660, 215070, 239145, 239592, 286760, 299490, 318860, 382632, 399320, 430140, 478290, 598980, 637720, 860280, 956580, 1068181, 1197960, 1913160, 2136362, 3204543, 4272724, 5340905, 6409086, 8545448, 10681810, 12818172, 16022715, 21363620, 25636344, 32045430, 42727240, 64090860, 128181720]

約数ペア:

[(1, 128181720), (2, 64090860), (3, 42727240), (4, 32045430), (5, 25636344), (6, 21363620), (8, 16022715), (10, 12818172), (12, 10681810), (15, 8545448), (20, 6409086), (24, 5340905), (30, 4272724), (40, 3204543), (60, 2136362), (67, 1913160), (107, 1197960), (120, 1068181), (134, 956580), (149, 860280), (201, 637720), (214, 598980), (268, 478290), (298, 430140), (321, 399320), (335, 382632), (402, 318860), (428, 299490), (447, 286760), (535, 239592), (536, 239145), (596, 215070), (642, 199660), (670, 191316), (745, 172056), (804, 159430), (856, 149745), (894, 143380), (1005, 127544), (1070, 119796), (1192, 107535), (1284, 99830), (1340, 95658), (1490, 86028), (1605, 79864), (1608, 79715), (1788, 71690), (2010, 63772), (2140, 59898), (2235, 57352), (2568, 49915), (2680, 47829), (2980, 43014), (3210, 39932), (3576, 35845), (4020, 31886), (4280, 29949), (4470, 28676), (5960, 21507), (6420, 19966), (7169, 17880), (8040, 15943), (8940, 14338), (9983, 12840)]