161636480

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8147}}^1$

素因数の和:8197

約数の個数: 64

約数和(自身を含む): 398926080

約数和(自身を除く): 237289600

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, 8147, 9920, 16294, 19840, 32588, 40735, 65176, 81470, 130352, 162940, 252557, 260704, 325880, 505114, 521408, 651760, 1010228, 1042816, 1262785, 1303520, 2020456, 2525570, 2607040, 4040912, 5051140, 5214080, 8081824, 10102280, 16163648, 20204560, 32327296, 40409120, 80818240, 161636480]

約数ペア:

[(1, 161636480), (2, 80818240), (4, 40409120), (5, 32327296), (8, 20204560), (10, 16163648), (16, 10102280), (20, 8081824), (31, 5214080), (32, 5051140), (40, 4040912), (62, 2607040), (64, 2525570), (80, 2020456), (124, 1303520), (128, 1262785), (155, 1042816), (160, 1010228), (248, 651760), (310, 521408), (320, 505114), (496, 325880), (620, 260704), (640, 252557), (992, 162940), (1240, 130352), (1984, 81470), (2480, 65176), (3968, 40735), (4960, 32588), (8147, 19840), (9920, 16294)]