76978020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{26183}}^1$

素因数の和:26209

約数の個数: 72

約数和(自身を含む): 250737984

約数和(自身を除く): 173759964

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, 26183, 52366, 78549, 104732, 130915, 157098, 183281, 261830, 314196, 366562, 392745, 523660, 549843, 733124, 785490, 916405, 1099686, 1282967, 1570980, 1832810, 2199372, 2565934, 2749215, 3665620, 3848901, 5131868, 5498430, 6414835, 7697802, 10996860, 12829670, 15395604, 19244505, 25659340, 38489010, 76978020]

約数ペア:

[(1, 76978020), (2, 38489010), (3, 25659340), (4, 19244505), (5, 15395604), (6, 12829670), (7, 10996860), (10, 7697802), (12, 6414835), (14, 5498430), (15, 5131868), (20, 3848901), (21, 3665620), (28, 2749215), (30, 2565934), (35, 2199372), (42, 1832810), (49, 1570980), (60, 1282967), (70, 1099686), (84, 916405), (98, 785490), (105, 733124), (140, 549843), (147, 523660), (196, 392745), (210, 366562), (245, 314196), (294, 261830), (420, 183281), (490, 157098), (588, 130915), (735, 104732), (980, 78549), (1470, 52366), (2940, 26183)]