28772880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1187}}^1$

素因数の和:1304

約数の個数: 80

約数和(自身を含む): 90154944

約数和(自身を除く): 61382064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 101, 120, 202, 240, 303, 404, 505, 606, 808, 1010, 1187, 1212, 1515, 1616, 2020, 2374, 2424, 3030, 3561, 4040, 4748, 4848, 5935, 6060, 7122, 8080, 9496, 11870, 12120, 14244, 17805, 18992, 23740, 24240, 28488, 35610, 47480, 56976, 71220, 94960, 119887, 142440, 239774, 284880, 359661, 479548, 599435, 719322, 959096, 1198870, 1438644, 1798305, 1918192, 2397740, 2877288, 3596610, 4795480, 5754576, 7193220, 9590960, 14386440, 28772880]

約数ペア:

[(1, 28772880), (2, 14386440), (3, 9590960), (4, 7193220), (5, 5754576), (6, 4795480), (8, 3596610), (10, 2877288), (12, 2397740), (15, 1918192), (16, 1798305), (20, 1438644), (24, 1198870), (30, 959096), (40, 719322), (48, 599435), (60, 479548), (80, 359661), (101, 284880), (120, 239774), (202, 142440), (240, 119887), (303, 94960), (404, 71220), (505, 56976), (606, 47480), (808, 35610), (1010, 28488), (1187, 24240), (1212, 23740), (1515, 18992), (1616, 17805), (2020, 14244), (2374, 12120), (2424, 11870), (3030, 9496), (3561, 8080), (4040, 7122), (4748, 6060), (4848, 5935)]