128756970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:620

約数の個数: 96

約数和(自身を含む): 348192000

約数和(自身を除く): 219435030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 47, 61, 90, 94, 122, 141, 183, 235, 282, 305, 366, 423, 470, 499, 549, 610, 705, 846, 915, 998, 1098, 1410, 1497, 1830, 2115, 2495, 2745, 2867, 2994, 4230, 4491, 4990, 5490, 5734, 7485, 8601, 8982, 14335, 14970, 17202, 22455, 23453, 25803, 28670, 30439, 43005, 44910, 46906, 51606, 60878, 70359, 86010, 91317, 117265, 129015, 140718, 152195, 182634, 211077, 234530, 258030, 273951, 304390, 351795, 422154, 456585, 547902, 703590, 913170, 1055385, 1369755, 1430633, 2110770, 2739510, 2861266, 4291899, 7153165, 8583798, 12875697, 14306330, 21459495, 25751394, 42918990, 64378485, 128756970]

約数ペア:

[(1, 128756970), (2, 64378485), (3, 42918990), (5, 25751394), (6, 21459495), (9, 14306330), (10, 12875697), (15, 8583798), (18, 7153165), (30, 4291899), (45, 2861266), (47, 2739510), (61, 2110770), (90, 1430633), (94, 1369755), (122, 1055385), (141, 913170), (183, 703590), (235, 547902), (282, 456585), (305, 422154), (366, 351795), (423, 304390), (470, 273951), (499, 258030), (549, 234530), (610, 211077), (705, 182634), (846, 152195), (915, 140718), (998, 129015), (1098, 117265), (1410, 91317), (1497, 86010), (1830, 70359), (2115, 60878), (2495, 51606), (2745, 46906), (2867, 44910), (2994, 43005), (4230, 30439), (4491, 28670), (4990, 25803), (5490, 23453), (5734, 22455), (7485, 17202), (8601, 14970), (8982, 14335)]