72996553.000000000

素因数分解:

$2^7\times 5^1\times {\mathrm{569}}^1\times {\mathrm{739}}^1$

素因数の和:1327

約数の個数: 64

約数和(自身を含む): 645354000

約数和(自身を除く): 376239760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 569, 640, 739, 1138, 1478, 2276, 2845, 2956, 3695, 4552, 5690, 5912, 7390, 9104, 11380, 11824, 14780, 18208, 22760, 23648, 29560, 36416, 45520, 47296, 59120, 72832, 91040, 94592, 118240, 182080, 236480, 364160, 420491, 472960, 840982, 1681964, 2102455, 3363928, 4204910, 6727856, 8409820, 13455712, 16819640, 26911424, 33639280, 53822848, 67278560, 134557120, 269114240]

約数ペア:

[(1, 269114240), (2, 134557120), (4, 67278560), (5, 53822848), (8, 33639280), (10, 26911424), (16, 16819640), (20, 13455712), (32, 8409820), (40, 6727856), (64, 4204910), (80, 3363928), (128, 2102455), (160, 1681964), (320, 840982), (569, 472960), (640, 420491), (739, 364160), (1138, 236480), (1478, 182080), (2276, 118240), (2845, 94592), (2956, 91040), (3695, 72832), (4552, 59120), (5690, 47296), (5912, 45520), (7390, 36416), (9104, 29560), (11380, 23648), (11824, 22760), (14780, 18208)]