161856540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:452

約数の個数: 144

約数和(自身を含む): 514594080

約数和(自身を除く): 352737540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 101, 116, 145, 174, 180, 202, 261, 290, 303, 307, 348, 404, 435, 505, 522, 580, 606, 614, 870, 909, 921, 1010, 1044, 1212, 1228, 1305, 1515, 1535, 1740, 1818, 1842, 2020, 2610, 2763, 2929, 3030, 3070, 3636, 3684, 4545, 4605, 5220, 5526, 5858, 6060, 6140, 8787, 8903, 9090, 9210, 11052, 11716, 13815, 14645, 17574, 17806, 18180, 18420, 26361, 26709, 27630, 29290, 31007, 35148, 35612, 43935, 44515, 52722, 53418, 55260, 58580, 62014, 80127, 87870, 89030, 93021, 105444, 106836, 124028, 131805, 133545, 155035, 160254, 175740, 178060, 186042, 263610, 267090, 279063, 310070, 320508, 372084, 400635, 465105, 527220, 534180, 558126, 620140, 801270, 899203, 930210, 1116252, 1395315, 1602540, 1798406, 1860420, 2697609, 2790630, 3596812, 4496015, 5395218, 5581260, 8092827, 8992030, 10790436, 13488045, 16185654, 17984060, 26976090, 32371308, 40464135, 53952180, 80928270, 161856540]

約数ペア:

[(1, 161856540), (2, 80928270), (3, 53952180), (4, 40464135), (5, 32371308), (6, 26976090), (9, 17984060), (10, 16185654), (12, 13488045), (15, 10790436), (18, 8992030), (20, 8092827), (29, 5581260), (30, 5395218), (36, 4496015), (45, 3596812), (58, 2790630), (60, 2697609), (87, 1860420), (90, 1798406), (101, 1602540), (116, 1395315), (145, 1116252), (174, 930210), (180, 899203), (202, 801270), (261, 620140), (290, 558126), (303, 534180), (307, 527220), (348, 465105), (404, 400635), (435, 372084), (505, 320508), (522, 310070), (580, 279063), (606, 267090), (614, 263610), (870, 186042), (909, 178060), (921, 175740), (1010, 160254), (1044, 155035), (1212, 133545), (1228, 131805), (1305, 124028), (1515, 106836), (1535, 105444), (1740, 93021), (1818, 89030), (1842, 87870), (2020, 80127), (2610, 62014), (2763, 58580), (2929, 55260), (3030, 53418), (3070, 52722), (3636, 44515), (3684, 43935), (4545, 35612), (4605, 35148), (5220, 31007), (5526, 29290), (5858, 27630), (6060, 26709), (6140, 26361), (8787, 18420), (8903, 18180), (9090, 17806), (9210, 17574), (11052, 14645), (11716, 13815)]