263112720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{499}}^1$

素因数の和:554

約数の個数: 160

約数和(自身を含む): 885360000

約数和(自身を除く): 622247280

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, 169, 195, 208, 240, 260, 312, 338, 390, 499, 507, 520, 624, 676, 780, 845, 998, 1014, 1040, 1352, 1497, 1560, 1690, 1996, 2028, 2197, 2495, 2535, 2704, 2994, 3120, 3380, 3992, 4056, 4394, 4990, 5070, 5988, 6487, 6591, 6760, 7485, 7984, 8112, 8788, 9980, 10140, 10985, 11976, 12974, 13182, 13520, 14970, 17576, 19461, 19960, 20280, 21970, 23952, 25948, 26364, 29940, 32435, 32955, 35152, 38922, 39920, 40560, 43940, 51896, 52728, 59880, 64870, 65910, 77844, 84331, 87880, 97305, 103792, 105456, 119760, 129740, 131820, 155688, 168662, 175760, 194610, 252993, 259480, 263640, 311376, 337324, 389220, 421655, 505986, 518960, 527280, 674648, 778440, 843310, 1011972, 1096303, 1264965, 1349296, 1556880, 1686620, 2023944, 2192606, 2529930, 3288909, 3373240, 4047888, 4385212, 5059860, 5481515, 6577818, 6746480, 8770424, 10119720, 10963030, 13155636, 16444545, 17540848, 20239440, 21926060, 26311272, 32889090, 43852120, 52622544, 65778180, 87704240, 131556360, 263112720]

約数ペア:

[(1, 263112720), (2, 131556360), (3, 87704240), (4, 65778180), (5, 52622544), (6, 43852120), (8, 32889090), (10, 26311272), (12, 21926060), (13, 20239440), (15, 17540848), (16, 16444545), (20, 13155636), (24, 10963030), (26, 10119720), (30, 8770424), (39, 6746480), (40, 6577818), (48, 5481515), (52, 5059860), (60, 4385212), (65, 4047888), (78, 3373240), (80, 3288909), (104, 2529930), (120, 2192606), (130, 2023944), (156, 1686620), (169, 1556880), (195, 1349296), (208, 1264965), (240, 1096303), (260, 1011972), (312, 843310), (338, 778440), (390, 674648), (499, 527280), (507, 518960), (520, 505986), (624, 421655), (676, 389220), (780, 337324), (845, 311376), (998, 263640), (1014, 259480), (1040, 252993), (1352, 194610), (1497, 175760), (1560, 168662), (1690, 155688), (1996, 131820), (2028, 129740), (2197, 119760), (2495, 105456), (2535, 103792), (2704, 97305), (2994, 87880), (3120, 84331), (3380, 77844), (3992, 65910), (4056, 64870), (4394, 59880), (4990, 52728), (5070, 51896), (5988, 43940), (6487, 40560), (6591, 39920), (6760, 38922), (7485, 35152), (7984, 32955), (8112, 32435), (8788, 29940), (9980, 26364), (10140, 25948), (10985, 23952), (11976, 21970), (12974, 20280), (13182, 19960), (13520, 19461), (14970, 17576)]