215006080

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10837}}^1$

素因数の和:10887

約数の個数: 64

約数和(自身を含む): 530628480

約数和(自身を除く): 315622400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 10837, 19840, 21674, 43348, 54185, 86696, 108370, 173392, 216740, 335947, 346784, 433480, 671894, 693568, 866960, 1343788, 1387136, 1679735, 1733920, 2687576, 3359470, 3467840, 5375152, 6718940, 6935680, 10750304, 13437880, 21500608, 26875760, 43001216, 53751520, 107503040, 215006080]

約数ペア:

[(1, 215006080), (2, 107503040), (4, 53751520), (5, 43001216), (8, 26875760), (10, 21500608), (16, 13437880), (20, 10750304), (31, 6935680), (32, 6718940), (40, 5375152), (62, 3467840), (64, 3359470), (80, 2687576), (124, 1733920), (128, 1679735), (155, 1387136), (160, 1343788), (248, 866960), (310, 693568), (320, 671894), (496, 433480), (620, 346784), (640, 335947), (992, 216740), (1240, 173392), (1984, 108370), (2480, 86696), (3968, 54185), (4960, 43348), (9920, 21674), (10837, 19840)]