8397156780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2455309}}^1$

素因数の和:2455343

約数の個数: 72

約数和(自身を含む): 26811985200

約数和(自身を除く): 18414828420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 2455309, 4910618, 7365927, 9821236, 12276545, 14731854, 22097781, 24553090, 29463708, 36829635, 44195562, 46650871, 49106180, 73659270, 88391124, 93301742, 110488905, 139952613, 147318540, 186603484, 220977810, 233254355, 279905226, 419857839, 441955620, 466508710, 559810452, 699763065, 839715678, 933017420, 1399526130, 1679431356, 2099289195, 2799052260, 4198578390, 8397156780]

約数ペア:

[(1, 8397156780), (2, 4198578390), (3, 2799052260), (4, 2099289195), (5, 1679431356), (6, 1399526130), (9, 933017420), (10, 839715678), (12, 699763065), (15, 559810452), (18, 466508710), (19, 441955620), (20, 419857839), (30, 279905226), (36, 233254355), (38, 220977810), (45, 186603484), (57, 147318540), (60, 139952613), (76, 110488905), (90, 93301742), (95, 88391124), (114, 73659270), (171, 49106180), (180, 46650871), (190, 44195562), (228, 36829635), (285, 29463708), (342, 24553090), (380, 22097781), (570, 14731854), (684, 12276545), (855, 9821236), (1140, 7365927), (1710, 4910618), (3420, 2455309)]