251843280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1523}}^1$

素因数の和:1605

約数の個数: 160

約数和(自身を含む): 857195136

約数和(自身を除く): 605351856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 53, 60, 65, 78, 80, 104, 106, 120, 130, 156, 159, 195, 208, 212, 240, 260, 265, 312, 318, 390, 424, 520, 530, 624, 636, 689, 780, 795, 848, 1040, 1060, 1272, 1378, 1523, 1560, 1590, 2067, 2120, 2544, 2756, 3046, 3120, 3180, 3445, 4134, 4240, 4569, 5512, 6092, 6360, 6890, 7615, 8268, 9138, 10335, 11024, 12184, 12720, 13780, 15230, 16536, 18276, 19799, 20670, 22845, 24368, 27560, 30460, 33072, 36552, 39598, 41340, 45690, 55120, 59397, 60920, 73104, 79196, 80719, 82680, 91380, 98995, 118794, 121840, 158392, 161438, 165360, 182760, 197990, 237588, 242157, 296985, 316784, 322876, 365520, 395980, 403595, 475176, 484314, 593970, 645752, 791960, 807190, 950352, 968628, 1049347, 1187940, 1210785, 1291504, 1583920, 1614380, 1937256, 2098694, 2375880, 2421570, 3148041, 3228760, 3874512, 4197388, 4751760, 4843140, 5246735, 6296082, 6457520, 8394776, 9686280, 10493470, 12592164, 15740205, 16789552, 19372560, 20986940, 25184328, 31480410, 41973880, 50368656, 62960820, 83947760, 125921640, 251843280]

約数ペア:

[(1, 251843280), (2, 125921640), (3, 83947760), (4, 62960820), (5, 50368656), (6, 41973880), (8, 31480410), (10, 25184328), (12, 20986940), (13, 19372560), (15, 16789552), (16, 15740205), (20, 12592164), (24, 10493470), (26, 9686280), (30, 8394776), (39, 6457520), (40, 6296082), (48, 5246735), (52, 4843140), (53, 4751760), (60, 4197388), (65, 3874512), (78, 3228760), (80, 3148041), (104, 2421570), (106, 2375880), (120, 2098694), (130, 1937256), (156, 1614380), (159, 1583920), (195, 1291504), (208, 1210785), (212, 1187940), (240, 1049347), (260, 968628), (265, 950352), (312, 807190), (318, 791960), (390, 645752), (424, 593970), (520, 484314), (530, 475176), (624, 403595), (636, 395980), (689, 365520), (780, 322876), (795, 316784), (848, 296985), (1040, 242157), (1060, 237588), (1272, 197990), (1378, 182760), (1523, 165360), (1560, 161438), (1590, 158392), (2067, 121840), (2120, 118794), (2544, 98995), (2756, 91380), (3046, 82680), (3120, 80719), (3180, 79196), (3445, 73104), (4134, 60920), (4240, 59397), (4569, 55120), (5512, 45690), (6092, 41340), (6360, 39598), (6890, 36552), (7615, 33072), (8268, 30460), (9138, 27560), (10335, 24368), (11024, 22845), (12184, 20670), (12720, 19799), (13780, 18276), (15230, 16536)]