15981900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:224

約数の個数: 144

約数和(自身を含む): 52496640

約数和(自身を除く): 36514740

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 29, 30, 33, 44, 50, 55, 58, 60, 66, 75, 87, 100, 110, 116, 132, 145, 150, 165, 167, 174, 220, 275, 290, 300, 319, 330, 334, 348, 435, 501, 550, 580, 638, 660, 668, 725, 825, 835, 870, 957, 1002, 1100, 1276, 1450, 1595, 1650, 1670, 1740, 1837, 1914, 2004, 2175, 2505, 2900, 3190, 3300, 3340, 3674, 3828, 4175, 4350, 4785, 4843, 5010, 5511, 6380, 7348, 7975, 8350, 8700, 9185, 9570, 9686, 10020, 11022, 12525, 14529, 15950, 16700, 18370, 19140, 19372, 22044, 23925, 24215, 25050, 27555, 29058, 31900, 36740, 45925, 47850, 48430, 50100, 53273, 55110, 58116, 72645, 91850, 95700, 96860, 106546, 110220, 121075, 137775, 145290, 159819, 183700, 213092, 242150, 266365, 275550, 290580, 319638, 363225, 484300, 532730, 551100, 639276, 726450, 799095, 1065460, 1331825, 1452900, 1598190, 2663650, 3196380, 3995475, 5327300, 7990950, 15981900]

約数ペア:

[(1, 15981900), (2, 7990950), (3, 5327300), (4, 3995475), (5, 3196380), (6, 2663650), (10, 1598190), (11, 1452900), (12, 1331825), (15, 1065460), (20, 799095), (22, 726450), (25, 639276), (29, 551100), (30, 532730), (33, 484300), (44, 363225), (50, 319638), (55, 290580), (58, 275550), (60, 266365), (66, 242150), (75, 213092), (87, 183700), (100, 159819), (110, 145290), (116, 137775), (132, 121075), (145, 110220), (150, 106546), (165, 96860), (167, 95700), (174, 91850), (220, 72645), (275, 58116), (290, 55110), (300, 53273), (319, 50100), (330, 48430), (334, 47850), (348, 45925), (435, 36740), (501, 31900), (550, 29058), (580, 27555), (638, 25050), (660, 24215), (668, 23925), (725, 22044), (825, 19372), (835, 19140), (870, 18370), (957, 16700), (1002, 15950), (1100, 14529), (1276, 12525), (1450, 11022), (1595, 10020), (1650, 9686), (1670, 9570), (1740, 9185), (1837, 8700), (1914, 8350), (2004, 7975), (2175, 7348), (2505, 6380), (2900, 5511), (3190, 5010), (3300, 4843), (3340, 4785), (3674, 4350), (3828, 4175)]