54880020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:574

約数の個数: 144

約数和(自身を含む): 183456000

約数和(自身を除く): 128575980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 47, 52, 60, 65, 78, 90, 94, 117, 130, 141, 156, 180, 188, 195, 234, 235, 260, 282, 390, 423, 468, 470, 499, 564, 585, 611, 705, 780, 846, 940, 998, 1170, 1222, 1410, 1497, 1692, 1833, 1996, 2115, 2340, 2444, 2495, 2820, 2994, 3055, 3666, 4230, 4491, 4990, 5499, 5988, 6110, 6487, 7332, 7485, 8460, 8982, 9165, 9980, 10998, 12220, 12974, 14970, 17964, 18330, 19461, 21996, 22455, 23453, 25948, 27495, 29940, 32435, 36660, 38922, 44910, 46906, 54990, 58383, 64870, 70359, 77844, 89820, 93812, 97305, 109980, 116766, 117265, 129740, 140718, 194610, 211077, 233532, 234530, 281436, 291915, 304889, 351795, 389220, 422154, 469060, 583830, 609778, 703590, 844308, 914667, 1055385, 1167660, 1219556, 1407180, 1524445, 1829334, 2110770, 2744001, 3048890, 3658668, 4221540, 4573335, 5488002, 6097780, 9146670, 10976004, 13720005, 18293340, 27440010, 54880020]

約数ペア:

[(1, 54880020), (2, 27440010), (3, 18293340), (4, 13720005), (5, 10976004), (6, 9146670), (9, 6097780), (10, 5488002), (12, 4573335), (13, 4221540), (15, 3658668), (18, 3048890), (20, 2744001), (26, 2110770), (30, 1829334), (36, 1524445), (39, 1407180), (45, 1219556), (47, 1167660), (52, 1055385), (60, 914667), (65, 844308), (78, 703590), (90, 609778), (94, 583830), (117, 469060), (130, 422154), (141, 389220), (156, 351795), (180, 304889), (188, 291915), (195, 281436), (234, 234530), (235, 233532), (260, 211077), (282, 194610), (390, 140718), (423, 129740), (468, 117265), (470, 116766), (499, 109980), (564, 97305), (585, 93812), (611, 89820), (705, 77844), (780, 70359), (846, 64870), (940, 58383), (998, 54990), (1170, 46906), (1222, 44910), (1410, 38922), (1497, 36660), (1692, 32435), (1833, 29940), (1996, 27495), (2115, 25948), (2340, 23453), (2444, 22455), (2495, 21996), (2820, 19461), (2994, 18330), (3055, 17964), (3666, 14970), (4230, 12974), (4491, 12220), (4990, 10998), (5499, 9980), (5988, 9165), (6110, 8982), (6487, 8460), (7332, 7485)]