81803280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:353

約数の個数: 160

約数和(自身を含む): 276482304

約数和(自身を除く): 194679024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 157, 167, 195, 208, 240, 260, 312, 314, 334, 390, 471, 501, 520, 624, 628, 668, 780, 785, 835, 942, 1002, 1040, 1256, 1336, 1560, 1570, 1670, 1884, 2004, 2041, 2171, 2355, 2505, 2512, 2672, 3120, 3140, 3340, 3768, 4008, 4082, 4342, 4710, 5010, 6123, 6280, 6513, 6680, 7536, 8016, 8164, 8684, 9420, 10020, 10205, 10855, 12246, 12560, 13026, 13360, 16328, 17368, 18840, 20040, 20410, 21710, 24492, 26052, 26219, 30615, 32565, 32656, 34736, 37680, 40080, 40820, 43420, 48984, 52104, 52438, 61230, 65130, 78657, 81640, 86840, 97968, 104208, 104876, 122460, 130260, 131095, 157314, 163280, 173680, 209752, 244920, 260520, 262190, 314628, 340847, 393285, 419504, 489840, 521040, 524380, 629256, 681694, 786570, 1022541, 1048760, 1258512, 1363388, 1573140, 1704235, 2045082, 2097520, 2726776, 3146280, 3408470, 4090164, 5112705, 5453552, 6292560, 6816940, 8180328, 10225410, 13633880, 16360656, 20450820, 27267760, 40901640, 81803280]

約数ペア:

[(1, 81803280), (2, 40901640), (3, 27267760), (4, 20450820), (5, 16360656), (6, 13633880), (8, 10225410), (10, 8180328), (12, 6816940), (13, 6292560), (15, 5453552), (16, 5112705), (20, 4090164), (24, 3408470), (26, 3146280), (30, 2726776), (39, 2097520), (40, 2045082), (48, 1704235), (52, 1573140), (60, 1363388), (65, 1258512), (78, 1048760), (80, 1022541), (104, 786570), (120, 681694), (130, 629256), (156, 524380), (157, 521040), (167, 489840), (195, 419504), (208, 393285), (240, 340847), (260, 314628), (312, 262190), (314, 260520), (334, 244920), (390, 209752), (471, 173680), (501, 163280), (520, 157314), (624, 131095), (628, 130260), (668, 122460), (780, 104876), (785, 104208), (835, 97968), (942, 86840), (1002, 81640), (1040, 78657), (1256, 65130), (1336, 61230), (1560, 52438), (1570, 52104), (1670, 48984), (1884, 43420), (2004, 40820), (2041, 40080), (2171, 37680), (2355, 34736), (2505, 32656), (2512, 32565), (2672, 30615), (3120, 26219), (3140, 26052), (3340, 24492), (3768, 21710), (4008, 20410), (4082, 20040), (4342, 18840), (4710, 17368), (5010, 16328), (6123, 13360), (6280, 13026), (6513, 12560), (6680, 12246), (7536, 10855), (8016, 10205), (8164, 10020), (8684, 9420)]