239565780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{857}}^1\times {\mathrm{1553}}^1$

素因数の和:2425

約数の個数: 72

約数和(自身を含む): 727999272

約数和(自身を除く): 488433492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 857, 1553, 1714, 2571, 3106, 3428, 4285, 4659, 5142, 6212, 7713, 7765, 8570, 9318, 10284, 12855, 13977, 15426, 15530, 17140, 18636, 23295, 25710, 27954, 30852, 31060, 38565, 46590, 51420, 55908, 69885, 77130, 93180, 139770, 154260, 279540, 1330921, 2661842, 3992763, 5323684, 6654605, 7985526, 11978289, 13309210, 15971052, 19963815, 23956578, 26618420, 39927630, 47913156, 59891445, 79855260, 119782890, 239565780]

約数ペア:

[(1, 239565780), (2, 119782890), (3, 79855260), (4, 59891445), (5, 47913156), (6, 39927630), (9, 26618420), (10, 23956578), (12, 19963815), (15, 15971052), (18, 13309210), (20, 11978289), (30, 7985526), (36, 6654605), (45, 5323684), (60, 3992763), (90, 2661842), (180, 1330921), (857, 279540), (1553, 154260), (1714, 139770), (2571, 93180), (3106, 77130), (3428, 69885), (4285, 55908), (4659, 51420), (5142, 46590), (6212, 38565), (7713, 31060), (7765, 30852), (8570, 27954), (9318, 25710), (10284, 23295), (12855, 18636), (13977, 17140), (15426, 15530)]