72970880

素因数分解:

$2^7\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1009}}^1$

素因数の和:1141

約数の個数: 64

約数和(自身を含む): 176164200

約数和(自身を除く): 103193320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 226, 320, 452, 565, 640, 904, 1009, 1130, 1808, 2018, 2260, 3616, 4036, 4520, 5045, 7232, 8072, 9040, 10090, 14464, 16144, 18080, 20180, 32288, 36160, 40360, 64576, 72320, 80720, 114017, 129152, 161440, 228034, 322880, 456068, 570085, 645760, 912136, 1140170, 1824272, 2280340, 3648544, 4560680, 7297088, 9121360, 14594176, 18242720, 36485440, 72970880]

約数ペア:

[(1, 72970880), (2, 36485440), (4, 18242720), (5, 14594176), (8, 9121360), (10, 7297088), (16, 4560680), (20, 3648544), (32, 2280340), (40, 1824272), (64, 1140170), (80, 912136), (113, 645760), (128, 570085), (160, 456068), (226, 322880), (320, 228034), (452, 161440), (565, 129152), (640, 114017), (904, 80720), (1009, 72320), (1130, 64576), (1808, 40360), (2018, 36160), (2260, 32288), (3616, 20180), (4036, 18080), (4520, 16144), (5045, 14464), (7232, 10090), (8072, 9040)]