28011360

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^2$

素因数の和:165

約数の個数: 144

約数和(自身を含む): 96462576

約数和(自身を除く): 68451216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 67, 78, 80, 96, 104, 120, 130, 134, 156, 160, 195, 201, 208, 240, 260, 268, 312, 335, 390, 402, 416, 480, 520, 536, 624, 670, 780, 804, 871, 1005, 1040, 1072, 1248, 1340, 1560, 1608, 1742, 2010, 2080, 2144, 2613, 2680, 3120, 3216, 3484, 4020, 4355, 4489, 5226, 5360, 6240, 6432, 6968, 8040, 8710, 8978, 10452, 10720, 13065, 13467, 13936, 16080, 17420, 17956, 20904, 22445, 26130, 26934, 27872, 32160, 34840, 35912, 41808, 44890, 52260, 53868, 58357, 67335, 69680, 71824, 83616, 89780, 104520, 107736, 116714, 134670, 139360, 143648, 175071, 179560, 209040, 215472, 233428, 269340, 291785, 350142, 359120, 418080, 430944, 466856, 538680, 583570, 700284, 718240, 875355, 933712, 1077360, 1167140, 1400568, 1750710, 1867424, 2154720, 2334280, 2801136, 3501420, 4668560, 5602272, 7002840, 9337120, 14005680, 28011360]

約数ペア:

[(1, 28011360), (2, 14005680), (3, 9337120), (4, 7002840), (5, 5602272), (6, 4668560), (8, 3501420), (10, 2801136), (12, 2334280), (13, 2154720), (15, 1867424), (16, 1750710), (20, 1400568), (24, 1167140), (26, 1077360), (30, 933712), (32, 875355), (39, 718240), (40, 700284), (48, 583570), (52, 538680), (60, 466856), (65, 430944), (67, 418080), (78, 359120), (80, 350142), (96, 291785), (104, 269340), (120, 233428), (130, 215472), (134, 209040), (156, 179560), (160, 175071), (195, 143648), (201, 139360), (208, 134670), (240, 116714), (260, 107736), (268, 104520), (312, 89780), (335, 83616), (390, 71824), (402, 69680), (416, 67335), (480, 58357), (520, 53868), (536, 52260), (624, 44890), (670, 41808), (780, 35912), (804, 34840), (871, 32160), (1005, 27872), (1040, 26934), (1072, 26130), (1248, 22445), (1340, 20904), (1560, 17956), (1608, 17420), (1742, 16080), (2010, 13936), (2080, 13467), (2144, 13065), (2613, 10720), (2680, 10452), (3120, 8978), (3216, 8710), (3484, 8040), (4020, 6968), (4355, 6432), (4489, 6240), (5226, 5360)]