77844060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61781}}^1$

素因数の和:61803

約数の個数: 72

約数和(自身を含む): 269863776

約数和(自身を除く): 192019716

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 61781, 123562, 185343, 247124, 308905, 370686, 432467, 556029, 617810, 741372, 864934, 926715, 1112058, 1235620, 1297401, 1729868, 1853430, 2162335, 2224116, 2594802, 2780145, 3706860, 3892203, 4324670, 5189604, 5560290, 6487005, 7784406, 8649340, 11120580, 12974010, 15568812, 19461015, 25948020, 38922030, 77844060]

約数ペア:

[(1, 77844060), (2, 38922030), (3, 25948020), (4, 19461015), (5, 15568812), (6, 12974010), (7, 11120580), (9, 8649340), (10, 7784406), (12, 6487005), (14, 5560290), (15, 5189604), (18, 4324670), (20, 3892203), (21, 3706860), (28, 2780145), (30, 2594802), (35, 2224116), (36, 2162335), (42, 1853430), (45, 1729868), (60, 1297401), (63, 1235620), (70, 1112058), (84, 926715), (90, 864934), (105, 741372), (126, 617810), (140, 556029), (180, 432467), (210, 370686), (252, 308905), (315, 247124), (420, 185343), (630, 123562), (1260, 61781)]