66445960

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:228

約数の個数: 128

約数和(自身を含む): 181440000

約数和(自身を除く): 114994040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 49, 56, 58, 70, 98, 116, 140, 145, 167, 196, 203, 232, 245, 280, 290, 334, 343, 392, 406, 490, 580, 668, 686, 812, 835, 980, 1015, 1160, 1169, 1336, 1372, 1421, 1624, 1670, 1715, 1960, 2030, 2338, 2744, 2842, 3340, 3430, 4060, 4676, 4843, 5684, 5845, 6680, 6860, 7105, 8120, 8183, 9352, 9686, 9947, 11368, 11690, 13720, 14210, 16366, 19372, 19894, 23380, 24215, 28420, 32732, 33901, 38744, 39788, 40915, 46760, 48430, 49735, 56840, 57281, 65464, 67802, 79576, 81830, 96860, 99470, 114562, 135604, 163660, 169505, 193720, 198940, 229124, 237307, 271208, 286405, 327320, 339010, 397880, 458248, 474614, 572810, 678020, 949228, 1145620, 1186535, 1356040, 1661149, 1898456, 2291240, 2373070, 3322298, 4746140, 6644596, 8305745, 9492280, 13289192, 16611490, 33222980, 66445960]

約数ペア:

[(1, 66445960), (2, 33222980), (4, 16611490), (5, 13289192), (7, 9492280), (8, 8305745), (10, 6644596), (14, 4746140), (20, 3322298), (28, 2373070), (29, 2291240), (35, 1898456), (40, 1661149), (49, 1356040), (56, 1186535), (58, 1145620), (70, 949228), (98, 678020), (116, 572810), (140, 474614), (145, 458248), (167, 397880), (196, 339010), (203, 327320), (232, 286405), (245, 271208), (280, 237307), (290, 229124), (334, 198940), (343, 193720), (392, 169505), (406, 163660), (490, 135604), (580, 114562), (668, 99470), (686, 96860), (812, 81830), (835, 79576), (980, 67802), (1015, 65464), (1160, 57281), (1169, 56840), (1336, 49735), (1372, 48430), (1421, 46760), (1624, 40915), (1670, 39788), (1715, 38744), (1960, 33901), (2030, 32732), (2338, 28420), (2744, 24215), (2842, 23380), (3340, 19894), (3430, 19372), (4060, 16366), (4676, 14210), (4843, 13720), (5684, 11690), (5845, 11368), (6680, 9947), (6860, 9686), (7105, 9352), (8120, 8183)]