128415840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{38219}}^1$

素因数の和:38244

約数の個数: 96

約数和(自身を含む): 462309120

約数和(自身を除く): 333893280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 38219, 76438, 114657, 152876, 191095, 229314, 267533, 305752, 382190, 458628, 535066, 573285, 611504, 764380, 802599, 917256, 1070132, 1146570, 1223008, 1337665, 1528760, 1605198, 1834512, 2140264, 2293140, 2675330, 3057520, 3210396, 3669024, 4012995, 4280528, 4586280, 5350660, 6115040, 6420792, 8025990, 8561056, 9172560, 10701320, 12841584, 16051980, 18345120, 21402640, 25683168, 32103960, 42805280, 64207920, 128415840]

約数ペア:

[(1, 128415840), (2, 64207920), (3, 42805280), (4, 32103960), (5, 25683168), (6, 21402640), (7, 18345120), (8, 16051980), (10, 12841584), (12, 10701320), (14, 9172560), (15, 8561056), (16, 8025990), (20, 6420792), (21, 6115040), (24, 5350660), (28, 4586280), (30, 4280528), (32, 4012995), (35, 3669024), (40, 3210396), (42, 3057520), (48, 2675330), (56, 2293140), (60, 2140264), (70, 1834512), (80, 1605198), (84, 1528760), (96, 1337665), (105, 1223008), (112, 1146570), (120, 1070132), (140, 917256), (160, 802599), (168, 764380), (210, 611504), (224, 573285), (240, 535066), (280, 458628), (336, 382190), (420, 305752), (480, 267533), (560, 229314), (672, 191095), (840, 152876), (1120, 114657), (1680, 76438), (3360, 38219)]