64207920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{38219}}^1$

素因数の和:38242

約数の個数: 80

約数和(自身を含む): 227485440

約数和(自身を除く): 163277520

約数列:

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

約数ペア:

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