18615280

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:254

約数の個数: 80

約数和(自身を含む): 46139904

約数和(自身を除く): 27524624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 67, 80, 92, 115, 134, 151, 184, 230, 268, 302, 335, 368, 460, 536, 604, 670, 755, 920, 1072, 1208, 1340, 1510, 1541, 1840, 2416, 2680, 3020, 3082, 3473, 5360, 6040, 6164, 6946, 7705, 10117, 12080, 12328, 13892, 15410, 17365, 20234, 24656, 27784, 30820, 34730, 40468, 50585, 55568, 61640, 69460, 80936, 101170, 123280, 138920, 161872, 202340, 232691, 277840, 404680, 465382, 809360, 930764, 1163455, 1861528, 2326910, 3723056, 4653820, 9307640, 18615280]

約数ペア:

[(1, 18615280), (2, 9307640), (4, 4653820), (5, 3723056), (8, 2326910), (10, 1861528), (16, 1163455), (20, 930764), (23, 809360), (40, 465382), (46, 404680), (67, 277840), (80, 232691), (92, 202340), (115, 161872), (134, 138920), (151, 123280), (184, 101170), (230, 80936), (268, 69460), (302, 61640), (335, 55568), (368, 50585), (460, 40468), (536, 34730), (604, 30820), (670, 27784), (755, 24656), (920, 20234), (1072, 17365), (1208, 15410), (1340, 13892), (1510, 12328), (1541, 12080), (1840, 10117), (2416, 7705), (2680, 6946), (3020, 6164), (3082, 6040), (3473, 5360)]