71221120

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5857}}^1$

素因数の和:5895

約数の個数: 64

約数和(自身を含む): 179254800

約数和(自身を除く): 108033680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 5857, 6080, 11714, 12160, 23428, 29285, 46856, 58570, 93712, 111283, 117140, 187424, 222566, 234280, 374848, 445132, 468560, 556415, 749696, 890264, 937120, 1112830, 1780528, 1874240, 2225660, 3561056, 3748480, 4451320, 7122112, 8902640, 14244224, 17805280, 35610560, 71221120]

約数ペア:

[(1, 71221120), (2, 35610560), (4, 17805280), (5, 14244224), (8, 8902640), (10, 7122112), (16, 4451320), (19, 3748480), (20, 3561056), (32, 2225660), (38, 1874240), (40, 1780528), (64, 1112830), (76, 937120), (80, 890264), (95, 749696), (128, 556415), (152, 468560), (160, 445132), (190, 374848), (304, 234280), (320, 222566), (380, 187424), (608, 117140), (640, 111283), (760, 93712), (1216, 58570), (1520, 46856), (2432, 29285), (3040, 23428), (5857, 12160), (6080, 11714)]