78732160

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9463}}^1$

素因数の和:9495

約数の個数: 64

約数和(自身を含む): 202718880

約数和(自身を除く): 123986720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 9463, 18926, 37852, 47315, 75704, 94630, 123019, 151408, 189260, 246038, 302816, 378520, 492076, 605632, 615095, 757040, 984152, 1211264, 1230190, 1514080, 1968304, 2460380, 3028160, 3936608, 4920760, 6056320, 7873216, 9841520, 15746432, 19683040, 39366080, 78732160]

約数ペア:

[(1, 78732160), (2, 39366080), (4, 19683040), (5, 15746432), (8, 9841520), (10, 7873216), (13, 6056320), (16, 4920760), (20, 3936608), (26, 3028160), (32, 2460380), (40, 1968304), (52, 1514080), (64, 1230190), (65, 1211264), (80, 984152), (104, 757040), (128, 615095), (130, 605632), (160, 492076), (208, 378520), (260, 302816), (320, 246038), (416, 189260), (520, 151408), (640, 123019), (832, 94630), (1040, 75704), (1664, 47315), (2080, 37852), (4160, 18926), (8320, 9463)]