77872980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{2273}}^1$

素因数の和:2856

約数の個数: 48

約数和(自身を含む): 218522304

約数和(自身を除く): 140649324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 571, 1142, 1713, 2273, 2284, 2855, 3426, 4546, 5710, 6819, 6852, 8565, 9092, 11365, 11420, 13638, 17130, 22730, 27276, 34095, 34260, 45460, 68190, 136380, 1297883, 2595766, 3893649, 5191532, 6489415, 7787298, 12978830, 15574596, 19468245, 25957660, 38936490, 77872980]

約数ペア:

[(1, 77872980), (2, 38936490), (3, 25957660), (4, 19468245), (5, 15574596), (6, 12978830), (10, 7787298), (12, 6489415), (15, 5191532), (20, 3893649), (30, 2595766), (60, 1297883), (571, 136380), (1142, 68190), (1713, 45460), (2273, 34260), (2284, 34095), (2855, 27276), (3426, 22730), (4546, 17130), (5710, 13638), (6819, 11420), (6852, 11365), (8565, 9092)]