71861120

素因数分解:

$2^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2389}}^1$

素因数の和:2455

約数の個数: 64

約数和(自身を含む): 175521600

約数和(自身を除く): 103660480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 320, 376, 470, 640, 752, 940, 1504, 1880, 2389, 3008, 3760, 4778, 6016, 7520, 9556, 11945, 15040, 19112, 23890, 30080, 38224, 47780, 76448, 95560, 112283, 152896, 191120, 224566, 305792, 382240, 449132, 561415, 764480, 898264, 1122830, 1528960, 1796528, 2245660, 3593056, 4491320, 7186112, 8982640, 14372224, 17965280, 35930560, 71861120]

約数ペア:

[(1, 71861120), (2, 35930560), (4, 17965280), (5, 14372224), (8, 8982640), (10, 7186112), (16, 4491320), (20, 3593056), (32, 2245660), (40, 1796528), (47, 1528960), (64, 1122830), (80, 898264), (94, 764480), (128, 561415), (160, 449132), (188, 382240), (235, 305792), (320, 224566), (376, 191120), (470, 152896), (640, 112283), (752, 95560), (940, 76448), (1504, 47780), (1880, 38224), (2389, 30080), (3008, 23890), (3760, 19112), (4778, 15040), (6016, 11945), (7520, 9556)]