128869260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:288

約数の個数: 144

約数和(自身を含む): 398442240

約数和(自身を除く): 269572980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 71, 78, 130, 142, 156, 169, 179, 195, 213, 260, 284, 338, 355, 358, 390, 426, 507, 537, 676, 710, 716, 780, 845, 852, 895, 923, 1014, 1065, 1074, 1420, 1690, 1790, 1846, 2028, 2130, 2148, 2327, 2535, 2685, 2769, 3380, 3580, 3692, 4260, 4615, 4654, 5070, 5370, 5538, 6981, 9230, 9308, 10140, 10740, 11076, 11635, 11999, 12709, 13845, 13962, 18460, 23270, 23998, 25418, 27690, 27924, 30251, 34905, 35997, 38127, 46540, 47996, 50836, 55380, 59995, 60502, 63545, 69810, 71994, 76254, 90753, 119990, 121004, 127090, 139620, 143988, 151255, 152508, 165217, 179985, 181506, 190635, 239980, 254180, 302510, 330434, 359970, 363012, 381270, 453765, 495651, 605020, 660868, 719940, 762540, 826085, 907530, 991302, 1652170, 1815060, 1982604, 2147821, 2478255, 3304340, 4295642, 4956510, 6443463, 8591284, 9913020, 10739105, 12886926, 21478210, 25773852, 32217315, 42956420, 64434630, 128869260]

約数ペア:

[(1, 128869260), (2, 64434630), (3, 42956420), (4, 32217315), (5, 25773852), (6, 21478210), (10, 12886926), (12, 10739105), (13, 9913020), (15, 8591284), (20, 6443463), (26, 4956510), (30, 4295642), (39, 3304340), (52, 2478255), (60, 2147821), (65, 1982604), (71, 1815060), (78, 1652170), (130, 991302), (142, 907530), (156, 826085), (169, 762540), (179, 719940), (195, 660868), (213, 605020), (260, 495651), (284, 453765), (338, 381270), (355, 363012), (358, 359970), (390, 330434), (426, 302510), (507, 254180), (537, 239980), (676, 190635), (710, 181506), (716, 179985), (780, 165217), (845, 152508), (852, 151255), (895, 143988), (923, 139620), (1014, 127090), (1065, 121004), (1074, 119990), (1420, 90753), (1690, 76254), (1790, 71994), (1846, 69810), (2028, 63545), (2130, 60502), (2148, 59995), (2327, 55380), (2535, 50836), (2685, 47996), (2769, 46540), (3380, 38127), (3580, 35997), (3692, 34905), (4260, 30251), (4615, 27924), (4654, 27690), (5070, 25418), (5370, 23998), (5538, 23270), (6981, 18460), (9230, 13962), (9308, 13845), (10140, 12709), (10740, 11999), (11076, 11635)]