171221120

素因数分解:

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

素因数の和:38245

約数の個数: 64

約数和(自身を含む): 467812800

約数和(自身を除く): 296591680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 38219, 76438, 152876, 191095, 267533, 305752, 382190, 535066, 611504, 764380, 1070132, 1223008, 1337665, 1528760, 2140264, 2446016, 2675330, 3057520, 4280528, 4892032, 5350660, 6115040, 8561056, 10701320, 12230080, 17122112, 21402640, 24460160, 34244224, 42805280, 85610560, 171221120]

約数ペア:

[(1, 171221120), (2, 85610560), (4, 42805280), (5, 34244224), (7, 24460160), (8, 21402640), (10, 17122112), (14, 12230080), (16, 10701320), (20, 8561056), (28, 6115040), (32, 5350660), (35, 4892032), (40, 4280528), (56, 3057520), (64, 2675330), (70, 2446016), (80, 2140264), (112, 1528760), (128, 1337665), (140, 1223008), (160, 1070132), (224, 764380), (280, 611504), (320, 535066), (448, 382190), (560, 305752), (640, 267533), (896, 191095), (1120, 152876), (2240, 76438), (4480, 38219)]