25545660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{8689}}^1$

素因数の和:8715

約数の個数: 72

約数和(自身を含む): 83215440

約数和(自身を除く): 57669780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 8689, 17378, 26067, 34756, 43445, 52134, 60823, 86890, 104268, 121646, 130335, 173780, 182469, 243292, 260670, 304115, 364938, 425761, 521340, 608230, 729876, 851522, 912345, 1216460, 1277283, 1703044, 1824690, 2128805, 2554566, 3649380, 4257610, 5109132, 6386415, 8515220, 12772830, 25545660]

約数ペア:

[(1, 25545660), (2, 12772830), (3, 8515220), (4, 6386415), (5, 5109132), (6, 4257610), (7, 3649380), (10, 2554566), (12, 2128805), (14, 1824690), (15, 1703044), (20, 1277283), (21, 1216460), (28, 912345), (30, 851522), (35, 729876), (42, 608230), (49, 521340), (60, 425761), (70, 364938), (84, 304115), (98, 260670), (105, 243292), (140, 182469), (147, 173780), (196, 130335), (210, 121646), (245, 104268), (294, 86890), (420, 60823), (490, 52134), (588, 43445), (735, 34756), (980, 26067), (1470, 17378), (2940, 8689)]