251264520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1013}}^1$

素因数の和:1096

約数の個数: 192

約数和(自身を含む): 896903280

約数和(自身を除く): 645638760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 53, 60, 65, 72, 78, 90, 104, 106, 117, 120, 130, 156, 159, 180, 195, 212, 234, 260, 265, 312, 318, 360, 390, 424, 468, 477, 520, 530, 585, 636, 689, 780, 795, 936, 954, 1013, 1060, 1170, 1272, 1378, 1560, 1590, 1908, 2026, 2067, 2120, 2340, 2385, 2756, 3039, 3180, 3445, 3816, 4052, 4134, 4680, 4770, 5065, 5512, 6078, 6201, 6360, 6890, 8104, 8268, 9117, 9540, 10130, 10335, 12156, 12402, 13169, 13780, 15195, 16536, 18234, 19080, 20260, 20670, 24312, 24804, 26338, 27560, 30390, 31005, 36468, 39507, 40520, 41340, 45585, 49608, 52676, 53689, 60780, 62010, 65845, 72936, 79014, 82680, 91170, 105352, 107378, 118521, 121560, 124020, 131690, 158028, 161067, 182340, 197535, 214756, 237042, 248040, 263380, 268445, 316056, 322134, 364680, 395070, 429512, 474084, 483201, 526760, 536890, 592605, 644268, 697957, 790140, 805335, 948168, 966402, 1073780, 1185210, 1288536, 1395914, 1580280, 1610670, 1932804, 2093871, 2147560, 2370420, 2416005, 2791828, 3221340, 3489785, 3865608, 4187742, 4740840, 4832010, 5583656, 6281613, 6442680, 6979570, 8375484, 9664020, 10469355, 12563226, 13959140, 16750968, 19328040, 20938710, 25126452, 27918280, 31408065, 41877420, 50252904, 62816130, 83754840, 125632260, 251264520]

約数ペア:

[(1, 251264520), (2, 125632260), (3, 83754840), (4, 62816130), (5, 50252904), (6, 41877420), (8, 31408065), (9, 27918280), (10, 25126452), (12, 20938710), (13, 19328040), (15, 16750968), (18, 13959140), (20, 12563226), (24, 10469355), (26, 9664020), (30, 8375484), (36, 6979570), (39, 6442680), (40, 6281613), (45, 5583656), (52, 4832010), (53, 4740840), (60, 4187742), (65, 3865608), (72, 3489785), (78, 3221340), (90, 2791828), (104, 2416005), (106, 2370420), (117, 2147560), (120, 2093871), (130, 1932804), (156, 1610670), (159, 1580280), (180, 1395914), (195, 1288536), (212, 1185210), (234, 1073780), (260, 966402), (265, 948168), (312, 805335), (318, 790140), (360, 697957), (390, 644268), (424, 592605), (468, 536890), (477, 526760), (520, 483201), (530, 474084), (585, 429512), (636, 395070), (689, 364680), (780, 322134), (795, 316056), (936, 268445), (954, 263380), (1013, 248040), (1060, 237042), (1170, 214756), (1272, 197535), (1378, 182340), (1560, 161067), (1590, 158028), (1908, 131690), (2026, 124020), (2067, 121560), (2120, 118521), (2340, 107378), (2385, 105352), (2756, 91170), (3039, 82680), (3180, 79014), (3445, 72936), (3816, 65845), (4052, 62010), (4134, 60780), (4680, 53689), (4770, 52676), (5065, 49608), (5512, 45585), (6078, 41340), (6201, 40520), (6360, 39507), (6890, 36468), (8104, 31005), (8268, 30390), (9117, 27560), (9540, 26338), (10130, 24804), (10335, 24312), (12156, 20670), (12402, 20260), (13169, 19080), (13780, 18234), (15195, 16536)]