28201680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:186

約数の個数: 240

約数和(自身を含む): 107243136

約数和(自身を除く): 79041456

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 23, 24, 26, 30, 36, 39, 40, 45, 46, 48, 52, 60, 65, 69, 72, 78, 80, 90, 92, 104, 115, 117, 120, 130, 131, 138, 144, 156, 180, 184, 195, 207, 208, 230, 234, 240, 260, 262, 276, 299, 312, 345, 360, 368, 390, 393, 414, 460, 468, 520, 524, 552, 585, 598, 624, 655, 690, 720, 780, 786, 828, 897, 920, 936, 1035, 1040, 1048, 1104, 1170, 1179, 1196, 1310, 1380, 1495, 1560, 1572, 1656, 1703, 1794, 1840, 1872, 1965, 2070, 2096, 2340, 2358, 2392, 2620, 2691, 2760, 2990, 3013, 3120, 3144, 3312, 3406, 3588, 3930, 4140, 4485, 4680, 4716, 4784, 5109, 5240, 5382, 5520, 5895, 5980, 6026, 6288, 6812, 7176, 7860, 8280, 8515, 8970, 9039, 9360, 9432, 10218, 10480, 10764, 11790, 11960, 12052, 13455, 13624, 14352, 15065, 15327, 15720, 16560, 17030, 17940, 18078, 18864, 20436, 21528, 23580, 23920, 24104, 25545, 26910, 27117, 27248, 30130, 30654, 31440, 34060, 35880, 36156, 39169, 40872, 43056, 45195, 47160, 48208, 51090, 53820, 54234, 60260, 61308, 68120, 71760, 72312, 76635, 78338, 81744, 90390, 94320, 102180, 107640, 108468, 117507, 120520, 122616, 135585, 136240, 144624, 153270, 156676, 180780, 195845, 204360, 215280, 216936, 235014, 241040, 245232, 271170, 306540, 313352, 352521, 361560, 391690, 408720, 433872, 470028, 542340, 587535, 613080, 626704, 705042, 723120, 783380, 940056, 1084680, 1175070, 1226160, 1410084, 1566760, 1762605, 1880112, 2169360, 2350140, 2820168, 3133520, 3525210, 4700280, 5640336, 7050420, 9400560, 14100840, 28201680]

約数ペア:

[(1, 28201680), (2, 14100840), (3, 9400560), (4, 7050420), (5, 5640336), (6, 4700280), (8, 3525210), (9, 3133520), (10, 2820168), (12, 2350140), (13, 2169360), (15, 1880112), (16, 1762605), (18, 1566760), (20, 1410084), (23, 1226160), (24, 1175070), (26, 1084680), (30, 940056), (36, 783380), (39, 723120), (40, 705042), (45, 626704), (46, 613080), (48, 587535), (52, 542340), (60, 470028), (65, 433872), (69, 408720), (72, 391690), (78, 361560), (80, 352521), (90, 313352), (92, 306540), (104, 271170), (115, 245232), (117, 241040), (120, 235014), (130, 216936), (131, 215280), (138, 204360), (144, 195845), (156, 180780), (180, 156676), (184, 153270), (195, 144624), (207, 136240), (208, 135585), (230, 122616), (234, 120520), (240, 117507), (260, 108468), (262, 107640), (276, 102180), (299, 94320), (312, 90390), (345, 81744), (360, 78338), (368, 76635), (390, 72312), (393, 71760), (414, 68120), (460, 61308), (468, 60260), (520, 54234), (524, 53820), (552, 51090), (585, 48208), (598, 47160), (624, 45195), (655, 43056), (690, 40872), (720, 39169), (780, 36156), (786, 35880), (828, 34060), (897, 31440), (920, 30654), (936, 30130), (1035, 27248), (1040, 27117), (1048, 26910), (1104, 25545), (1170, 24104), (1179, 23920), (1196, 23580), (1310, 21528), (1380, 20436), (1495, 18864), (1560, 18078), (1572, 17940), (1656, 17030), (1703, 16560), (1794, 15720), (1840, 15327), (1872, 15065), (1965, 14352), (2070, 13624), (2096, 13455), (2340, 12052), (2358, 11960), (2392, 11790), (2620, 10764), (2691, 10480), (2760, 10218), (2990, 9432), (3013, 9360), (3120, 9039), (3144, 8970), (3312, 8515), (3406, 8280), (3588, 7860), (3930, 7176), (4140, 6812), (4485, 6288), (4680, 6026), (4716, 5980), (4784, 5895), (5109, 5520), (5240, 5382)]