66591380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 152716536

約数和(自身を除く): 86125156

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 281, 289, 340, 410, 562, 578, 697, 820, 1124, 1156, 1394, 1405, 1445, 2788, 2810, 2890, 3485, 4777, 5620, 5780, 6970, 9554, 11521, 11849, 13940, 19108, 23042, 23698, 23885, 46084, 47396, 47770, 57605, 59245, 81209, 95540, 115210, 118490, 162418, 195857, 230420, 236980, 324836, 391714, 406045, 783428, 812090, 979285, 1624180, 1958570, 3329569, 3917140, 6659138, 13318276, 16647845, 33295690, 66591380]

約数ペア:

[(1, 66591380), (2, 33295690), (4, 16647845), (5, 13318276), (10, 6659138), (17, 3917140), (20, 3329569), (34, 1958570), (41, 1624180), (68, 979285), (82, 812090), (85, 783428), (164, 406045), (170, 391714), (205, 324836), (281, 236980), (289, 230420), (340, 195857), (410, 162418), (562, 118490), (578, 115210), (697, 95540), (820, 81209), (1124, 59245), (1156, 57605), (1394, 47770), (1405, 47396), (1445, 46084), (2788, 23885), (2810, 23698), (2890, 23042), (3485, 19108), (4777, 13940), (5620, 11849), (5780, 11521), (6970, 9554)]