161217420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29527}}^1$

素因数の和:29559

約数の個数: 96

約数和(自身を含む): 555598848

約数和(自身を除く): 394381428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 29527, 59054, 88581, 118108, 147635, 177162, 206689, 295270, 354324, 383851, 413378, 442905, 590540, 620067, 767702, 826756, 885810, 1033445, 1151553, 1240134, 1535404, 1771620, 1919255, 2066890, 2303106, 2480268, 2686957, 3100335, 3838510, 4133780, 4606212, 5373914, 5757765, 6200670, 7677020, 8060871, 10747828, 11515530, 12401340, 13434785, 16121742, 23031060, 26869570, 32243484, 40304355, 53739140, 80608710, 161217420]

約数ペア:

[(1, 161217420), (2, 80608710), (3, 53739140), (4, 40304355), (5, 32243484), (6, 26869570), (7, 23031060), (10, 16121742), (12, 13434785), (13, 12401340), (14, 11515530), (15, 10747828), (20, 8060871), (21, 7677020), (26, 6200670), (28, 5757765), (30, 5373914), (35, 4606212), (39, 4133780), (42, 3838510), (52, 3100335), (60, 2686957), (65, 2480268), (70, 2303106), (78, 2066890), (84, 1919255), (91, 1771620), (105, 1535404), (130, 1240134), (140, 1151553), (156, 1033445), (182, 885810), (195, 826756), (210, 767702), (260, 620067), (273, 590540), (364, 442905), (390, 413378), (420, 383851), (455, 354324), (546, 295270), (780, 206689), (910, 177162), (1092, 147635), (1365, 118108), (1820, 88581), (2730, 59054), (5460, 29527)]