126390520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 315187200

約数和(自身を除く): 188796680

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 47, 74, 79, 92, 94, 115, 148, 158, 184, 185, 188, 230, 235, 296, 316, 370, 376, 395, 460, 470, 632, 740, 790, 851, 920, 940, 1081, 1480, 1580, 1702, 1739, 1817, 1880, 2162, 2923, 3160, 3404, 3478, 3634, 3713, 4255, 4324, 5405, 5846, 6808, 6956, 7268, 7426, 8510, 8648, 8695, 9085, 10810, 11692, 13912, 14536, 14615, 14852, 17020, 17390, 18170, 18565, 21620, 23384, 29230, 29704, 34040, 34780, 36340, 37130, 39997, 43240, 58460, 67229, 69560, 72680, 74260, 79994, 85399, 116920, 134458, 137381, 148520, 159988, 170798, 199985, 268916, 274762, 319976, 336145, 341596, 399970, 426995, 537832, 549524, 672290, 683192, 686905, 799940, 853990, 1099048, 1344580, 1373810, 1599880, 1707980, 2689160, 2747620, 3159763, 3415960, 5495240, 6319526, 12639052, 15798815, 25278104, 31597630, 63195260, 126390520]

約数ペア:

[(1, 126390520), (2, 63195260), (4, 31597630), (5, 25278104), (8, 15798815), (10, 12639052), (20, 6319526), (23, 5495240), (37, 3415960), (40, 3159763), (46, 2747620), (47, 2689160), (74, 1707980), (79, 1599880), (92, 1373810), (94, 1344580), (115, 1099048), (148, 853990), (158, 799940), (184, 686905), (185, 683192), (188, 672290), (230, 549524), (235, 537832), (296, 426995), (316, 399970), (370, 341596), (376, 336145), (395, 319976), (460, 274762), (470, 268916), (632, 199985), (740, 170798), (790, 159988), (851, 148520), (920, 137381), (940, 134458), (1081, 116920), (1480, 85399), (1580, 79994), (1702, 74260), (1739, 72680), (1817, 69560), (1880, 67229), (2162, 58460), (2923, 43240), (3160, 39997), (3404, 37130), (3478, 36340), (3634, 34780), (3713, 34040), (4255, 29704), (4324, 29230), (5405, 23384), (5846, 21620), (6808, 18565), (6956, 18170), (7268, 17390), (7426, 17020), (8510, 14852), (8648, 14615), (8695, 14536), (9085, 13912), (10810, 11692)]