131556360

素因数分解:

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

素因数の和:552

約数の個数: 128

約数和(自身を含む): 428400000

約数和(自身を除く): 296843640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 169, 195, 260, 312, 338, 390, 499, 507, 520, 676, 780, 845, 998, 1014, 1352, 1497, 1560, 1690, 1996, 2028, 2197, 2495, 2535, 2994, 3380, 3992, 4056, 4394, 4990, 5070, 5988, 6487, 6591, 6760, 7485, 8788, 9980, 10140, 10985, 11976, 12974, 13182, 14970, 17576, 19461, 19960, 20280, 21970, 25948, 26364, 29940, 32435, 32955, 38922, 43940, 51896, 52728, 59880, 64870, 65910, 77844, 84331, 87880, 97305, 129740, 131820, 155688, 168662, 194610, 252993, 259480, 263640, 337324, 389220, 421655, 505986, 674648, 778440, 843310, 1011972, 1096303, 1264965, 1686620, 2023944, 2192606, 2529930, 3288909, 3373240, 4385212, 5059860, 5481515, 6577818, 8770424, 10119720, 10963030, 13155636, 16444545, 21926060, 26311272, 32889090, 43852120, 65778180, 131556360]

約数ペア:

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