87667740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1721}}^1$

素因数の和:2019

約数の個数: 72

約数和(自身を含む): 267020208

約数和(自身を除く): 179352468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 283, 566, 849, 1132, 1415, 1698, 1721, 2547, 2830, 3396, 3442, 4245, 5094, 5163, 5660, 6884, 8490, 8605, 10188, 10326, 12735, 15489, 16980, 17210, 20652, 25470, 25815, 30978, 34420, 50940, 51630, 61956, 77445, 103260, 154890, 309780, 487043, 974086, 1461129, 1948172, 2435215, 2922258, 4383387, 4870430, 5844516, 7305645, 8766774, 9740860, 14611290, 17533548, 21916935, 29222580, 43833870, 87667740]

約数ペア:

[(1, 87667740), (2, 43833870), (3, 29222580), (4, 21916935), (5, 17533548), (6, 14611290), (9, 9740860), (10, 8766774), (12, 7305645), (15, 5844516), (18, 4870430), (20, 4383387), (30, 2922258), (36, 2435215), (45, 1948172), (60, 1461129), (90, 974086), (180, 487043), (283, 309780), (566, 154890), (849, 103260), (1132, 77445), (1415, 61956), (1698, 51630), (1721, 50940), (2547, 34420), (2830, 30978), (3396, 25815), (3442, 25470), (4245, 20652), (5094, 17210), (5163, 16980), (5660, 15489), (6884, 12735), (8490, 10326), (8605, 10188)]