51678120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:395

約数の個数: 128

約数和(自身を含む): 168819840

約数和(自身を除く): 117141720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 157, 195, 211, 260, 312, 314, 390, 422, 471, 520, 628, 633, 780, 785, 844, 942, 1055, 1256, 1266, 1560, 1570, 1688, 1884, 2041, 2110, 2355, 2532, 2743, 3140, 3165, 3768, 4082, 4220, 4710, 5064, 5486, 6123, 6280, 6330, 8164, 8229, 8440, 9420, 10205, 10972, 12246, 12660, 13715, 16328, 16458, 18840, 20410, 21944, 24492, 25320, 27430, 30615, 32916, 33127, 40820, 41145, 48984, 54860, 61230, 65832, 66254, 81640, 82290, 99381, 109720, 122460, 132508, 164580, 165635, 198762, 244920, 265016, 329160, 331270, 397524, 430651, 496905, 662540, 795048, 861302, 993810, 1291953, 1325080, 1722604, 1987620, 2153255, 2583906, 3445208, 3975240, 4306510, 5167812, 6459765, 8613020, 10335624, 12919530, 17226040, 25839060, 51678120]

約数ペア:

[(1, 51678120), (2, 25839060), (3, 17226040), (4, 12919530), (5, 10335624), (6, 8613020), (8, 6459765), (10, 5167812), (12, 4306510), (13, 3975240), (15, 3445208), (20, 2583906), (24, 2153255), (26, 1987620), (30, 1722604), (39, 1325080), (40, 1291953), (52, 993810), (60, 861302), (65, 795048), (78, 662540), (104, 496905), (120, 430651), (130, 397524), (156, 331270), (157, 329160), (195, 265016), (211, 244920), (260, 198762), (312, 165635), (314, 164580), (390, 132508), (422, 122460), (471, 109720), (520, 99381), (628, 82290), (633, 81640), (780, 66254), (785, 65832), (844, 61230), (942, 54860), (1055, 48984), (1256, 41145), (1266, 40820), (1560, 33127), (1570, 32916), (1688, 30615), (1884, 27430), (2041, 25320), (2110, 24492), (2355, 21944), (2532, 20410), (2743, 18840), (3140, 16458), (3165, 16328), (3768, 13715), (4082, 12660), (4220, 12246), (4710, 10972), (5064, 10205), (5486, 9420), (6123, 8440), (6280, 8229), (6330, 8164)]