16718580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{317}}^1$

素因数の和:625

約数の個数: 72

約数和(自身を含む): 51046632

約数和(自身を除く): 34328052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 293, 317, 586, 634, 879, 951, 1172, 1268, 1465, 1585, 1758, 1902, 2637, 2853, 2930, 3170, 3516, 3804, 4395, 4755, 5274, 5706, 5860, 6340, 8790, 9510, 10548, 11412, 13185, 14265, 17580, 19020, 26370, 28530, 52740, 57060, 92881, 185762, 278643, 371524, 464405, 557286, 835929, 928810, 1114572, 1393215, 1671858, 1857620, 2786430, 3343716, 4179645, 5572860, 8359290, 16718580]

約数ペア:

[(1, 16718580), (2, 8359290), (3, 5572860), (4, 4179645), (5, 3343716), (6, 2786430), (9, 1857620), (10, 1671858), (12, 1393215), (15, 1114572), (18, 928810), (20, 835929), (30, 557286), (36, 464405), (45, 371524), (60, 278643), (90, 185762), (180, 92881), (293, 57060), (317, 52740), (586, 28530), (634, 26370), (879, 19020), (951, 17580), (1172, 14265), (1268, 13185), (1465, 11412), (1585, 10548), (1758, 9510), (1902, 8790), (2637, 6340), (2853, 5860), (2930, 5706), (3170, 5274), (3516, 4755), (3804, 4395)]