15813720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:170

約数の個数: 192

約数和(自身を含む): 57657600

約数和(自身を除く): 41843880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 52, 60, 62, 65, 72, 78, 90, 93, 104, 109, 117, 120, 124, 130, 155, 156, 180, 186, 195, 218, 234, 248, 260, 279, 310, 312, 327, 360, 372, 390, 403, 436, 465, 468, 520, 545, 558, 585, 620, 654, 744, 780, 806, 872, 930, 936, 981, 1090, 1116, 1170, 1209, 1240, 1308, 1395, 1417, 1560, 1612, 1635, 1860, 1962, 2015, 2180, 2232, 2340, 2418, 2616, 2790, 2834, 3224, 3270, 3379, 3627, 3720, 3924, 4030, 4251, 4360, 4680, 4836, 4905, 5580, 5668, 6045, 6540, 6758, 7085, 7254, 7848, 8060, 8502, 9672, 9810, 10137, 11160, 11336, 12090, 12753, 13080, 13516, 14170, 14508, 16120, 16895, 17004, 18135, 19620, 20274, 21255, 24180, 25506, 27032, 28340, 29016, 30411, 33790, 34008, 36270, 39240, 40548, 42510, 43927, 48360, 50685, 51012, 56680, 60822, 63765, 67580, 72540, 81096, 85020, 87854, 101370, 102024, 121644, 127530, 131781, 135160, 145080, 152055, 170040, 175708, 202740, 219635, 243288, 255060, 263562, 304110, 351416, 395343, 405480, 439270, 510120, 527124, 608220, 658905, 790686, 878540, 1054248, 1216440, 1317810, 1581372, 1757080, 1976715, 2635620, 3162744, 3953430, 5271240, 7906860, 15813720]

約数ペア:

[(1, 15813720), (2, 7906860), (3, 5271240), (4, 3953430), (5, 3162744), (6, 2635620), (8, 1976715), (9, 1757080), (10, 1581372), (12, 1317810), (13, 1216440), (15, 1054248), (18, 878540), (20, 790686), (24, 658905), (26, 608220), (30, 527124), (31, 510120), (36, 439270), (39, 405480), (40, 395343), (45, 351416), (52, 304110), (60, 263562), (62, 255060), (65, 243288), (72, 219635), (78, 202740), (90, 175708), (93, 170040), (104, 152055), (109, 145080), (117, 135160), (120, 131781), (124, 127530), (130, 121644), (155, 102024), (156, 101370), (180, 87854), (186, 85020), (195, 81096), (218, 72540), (234, 67580), (248, 63765), (260, 60822), (279, 56680), (310, 51012), (312, 50685), (327, 48360), (360, 43927), (372, 42510), (390, 40548), (403, 39240), (436, 36270), (465, 34008), (468, 33790), (520, 30411), (545, 29016), (558, 28340), (585, 27032), (620, 25506), (654, 24180), (744, 21255), (780, 20274), (806, 19620), (872, 18135), (930, 17004), (936, 16895), (981, 16120), (1090, 14508), (1116, 14170), (1170, 13516), (1209, 13080), (1240, 12753), (1308, 12090), (1395, 11336), (1417, 11160), (1560, 10137), (1612, 9810), (1635, 9672), (1860, 8502), (1962, 8060), (2015, 7848), (2180, 7254), (2232, 7085), (2340, 6758), (2418, 6540), (2616, 6045), (2790, 5668), (2834, 5580), (3224, 4905), (3270, 4836), (3379, 4680), (3627, 4360), (3720, 4251), (3924, 4030)]