128581488

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{18223}}^1$

素因数の和:18251

約数の個数: 90

約数和(自身を含む): 418623504

約数和(自身を除く): 290042016

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 3528, 7056, 18223, 36446, 54669, 72892, 109338, 127561, 145784, 164007, 218676, 255122, 291568, 328014, 382683, 437352, 510244, 656028, 765366, 874704, 892927, 1020488, 1148049, 1312056, 1530732, 1785854, 2040976, 2296098, 2624112, 2678781, 3061464, 3571708, 4592196, 5357562, 6122928, 7143416, 8036343, 9184392, 10715124, 14286832, 16072686, 18368784, 21430248, 32145372, 42860496, 64290744, 128581488]

約数ペア:

[(1, 128581488), (2, 64290744), (3, 42860496), (4, 32145372), (6, 21430248), (7, 18368784), (8, 16072686), (9, 14286832), (12, 10715124), (14, 9184392), (16, 8036343), (18, 7143416), (21, 6122928), (24, 5357562), (28, 4592196), (36, 3571708), (42, 3061464), (48, 2678781), (49, 2624112), (56, 2296098), (63, 2040976), (72, 1785854), (84, 1530732), (98, 1312056), (112, 1148049), (126, 1020488), (144, 892927), (147, 874704), (168, 765366), (196, 656028), (252, 510244), (294, 437352), (336, 382683), (392, 328014), (441, 291568), (504, 255122), (588, 218676), (784, 164007), (882, 145784), (1008, 127561), (1176, 109338), (1764, 72892), (2352, 54669), (3528, 36446), (7056, 18223)]