865630140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{49921}}^1$

素因数の和:49967

約数の個数: 72

約数和(自身を含む): 2574777072

約数和(自身を除く): 1709146932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 289, 340, 510, 578, 867, 1020, 1156, 1445, 1734, 2890, 3468, 4335, 5780, 8670, 17340, 49921, 99842, 149763, 199684, 249605, 299526, 499210, 599052, 748815, 848657, 998420, 1497630, 1697314, 2545971, 2995260, 3394628, 4243285, 5091942, 8486570, 10183884, 12729855, 14427169, 16973140, 25459710, 28854338, 43281507, 50919420, 57708676, 72135845, 86563014, 144271690, 173126028, 216407535, 288543380, 432815070, 865630140]

約数ペア:

[(1, 865630140), (2, 432815070), (3, 288543380), (4, 216407535), (5, 173126028), (6, 144271690), (10, 86563014), (12, 72135845), (15, 57708676), (17, 50919420), (20, 43281507), (30, 28854338), (34, 25459710), (51, 16973140), (60, 14427169), (68, 12729855), (85, 10183884), (102, 8486570), (170, 5091942), (204, 4243285), (255, 3394628), (289, 2995260), (340, 2545971), (510, 1697314), (578, 1497630), (867, 998420), (1020, 848657), (1156, 748815), (1445, 599052), (1734, 499210), (2890, 299526), (3468, 249605), (4335, 199684), (5780, 149763), (8670, 99842), (17340, 49921)]