238665780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9539}}^1$

素因数の和:9693

約数の個数: 72

約数和(自身を含む): 729237600

約数和(自身を除く): 490571820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 6255, 8340, 9539, 12510, 19078, 25020, 28617, 38156, 47695, 57234, 85851, 95390, 114468, 143085, 171702, 190780, 286170, 343404, 429255, 572340, 858510, 1325921, 1717020, 2651842, 3977763, 5303684, 6629605, 7955526, 11933289, 13259210, 15911052, 19888815, 23866578, 26518420, 39777630, 47733156, 59666445, 79555260, 119332890, 238665780]

約数ペア:

[(1, 238665780), (2, 119332890), (3, 79555260), (4, 59666445), (5, 47733156), (6, 39777630), (9, 26518420), (10, 23866578), (12, 19888815), (15, 15911052), (18, 13259210), (20, 11933289), (30, 7955526), (36, 6629605), (45, 5303684), (60, 3977763), (90, 2651842), (139, 1717020), (180, 1325921), (278, 858510), (417, 572340), (556, 429255), (695, 343404), (834, 286170), (1251, 190780), (1390, 171702), (1668, 143085), (2085, 114468), (2502, 95390), (2780, 85851), (4170, 57234), (5004, 47695), (6255, 38156), (8340, 28617), (9539, 25020), (12510, 19078)]