8403720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5387}}^1$

素因数の和:5414

約数の個数: 64

約数和(自身を含む): 27155520

約数和(自身を除く): 18751800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 5387, 10774, 16161, 21548, 26935, 32322, 43096, 53870, 64644, 70031, 80805, 107740, 129288, 140062, 161610, 210093, 215480, 280124, 323220, 350155, 420186, 560248, 646440, 700310, 840372, 1050465, 1400620, 1680744, 2100930, 2801240, 4201860, 8403720]

約数ペア:

[(1, 8403720), (2, 4201860), (3, 2801240), (4, 2100930), (5, 1680744), (6, 1400620), (8, 1050465), (10, 840372), (12, 700310), (13, 646440), (15, 560248), (20, 420186), (24, 350155), (26, 323220), (30, 280124), (39, 215480), (40, 210093), (52, 161610), (60, 140062), (65, 129288), (78, 107740), (104, 80805), (120, 70031), (130, 64644), (156, 53870), (195, 43096), (260, 32322), (312, 26935), (390, 21548), (520, 16161), (780, 10774), (1560, 5387)]