18640560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{769}}^1$

素因数の和:886

約数の個数: 80

約数和(自身を含む): 58433760

約数和(自身を除く): 39793200

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, 769, 808, 1010, 1212, 1515, 1538, 1616, 2020, 2307, 2424, 3030, 3076, 3845, 4040, 4614, 4848, 6060, 6152, 7690, 8080, 9228, 11535, 12120, 12304, 15380, 18456, 23070, 24240, 30760, 36912, 46140, 61520, 77669, 92280, 155338, 184560, 233007, 310676, 388345, 466014, 621352, 776690, 932028, 1165035, 1242704, 1553380, 1864056, 2330070, 3106760, 3728112, 4660140, 6213520, 9320280, 18640560]

約数ペア:

[(1, 18640560), (2, 9320280), (3, 6213520), (4, 4660140), (5, 3728112), (6, 3106760), (8, 2330070), (10, 1864056), (12, 1553380), (15, 1242704), (16, 1165035), (20, 932028), (24, 776690), (30, 621352), (40, 466014), (48, 388345), (60, 310676), (80, 233007), (101, 184560), (120, 155338), (202, 92280), (240, 77669), (303, 61520), (404, 46140), (505, 36912), (606, 30760), (769, 24240), (808, 23070), (1010, 18456), (1212, 15380), (1515, 12304), (1538, 12120), (1616, 11535), (2020, 9228), (2307, 8080), (2424, 7690), (3030, 6152), (3076, 6060), (3845, 4848), (4040, 4614)]