1216930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:91

約数の個数: 64

約数和(自身を含む): 2757888

約数和(自身を除く): 1540958

約数列:

[1, 2, 5, 10, 11, 13, 22, 23, 26, 37, 46, 55, 65, 74, 110, 115, 130, 143, 185, 230, 253, 286, 299, 370, 407, 481, 506, 598, 715, 814, 851, 962, 1265, 1430, 1495, 1702, 2035, 2405, 2530, 2990, 3289, 4070, 4255, 4810, 5291, 6578, 8510, 9361, 10582, 11063, 16445, 18722, 22126, 26455, 32890, 46805, 52910, 55315, 93610, 110630, 121693, 243386, 608465, 1216930]

約数ペア:

[(1, 1216930), (2, 608465), (5, 243386), (10, 121693), (11, 110630), (13, 93610), (22, 55315), (23, 52910), (26, 46805), (37, 32890), (46, 26455), (55, 22126), (65, 18722), (74, 16445), (110, 11063), (115, 10582), (130, 9361), (143, 8510), (185, 6578), (230, 5291), (253, 4810), (286, 4255), (299, 4070), (370, 3289), (407, 2990), (481, 2530), (506, 2405), (598, 2035), (715, 1702), (814, 1495), (851, 1430), (962, 1265)]