77577780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{26387}}^1$

素因数の和:26413

約数の個数: 72

約数和(自身を含む): 252691488

約数和(自身を除く): 175113708

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, 26387, 52774, 79161, 105548, 131935, 158322, 184709, 263870, 316644, 369418, 395805, 527740, 554127, 738836, 791610, 923545, 1108254, 1292963, 1583220, 1847090, 2216508, 2585926, 2770635, 3694180, 3878889, 5171852, 5541270, 6464815, 7757778, 11082540, 12929630, 15515556, 19394445, 25859260, 38788890, 77577780]

約数ペア:

[(1, 77577780), (2, 38788890), (3, 25859260), (4, 19394445), (5, 15515556), (6, 12929630), (7, 11082540), (10, 7757778), (12, 6464815), (14, 5541270), (15, 5171852), (20, 3878889), (21, 3694180), (28, 2770635), (30, 2585926), (35, 2216508), (42, 1847090), (49, 1583220), (60, 1292963), (70, 1108254), (84, 923545), (98, 791610), (105, 738836), (140, 554127), (147, 527740), (196, 395805), (210, 369418), (245, 316644), (294, 263870), (420, 184709), (490, 158322), (588, 131935), (735, 105548), (980, 79161), (1470, 52774), (2940, 26387)]