15715620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:219

約数の個数: 120

約数和(自身を含む): 50311800

約数和(自身を除く): 34596180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 89, 90, 108, 109, 135, 162, 178, 180, 218, 267, 270, 324, 327, 356, 405, 436, 445, 534, 540, 545, 654, 801, 810, 890, 981, 1068, 1090, 1308, 1335, 1602, 1620, 1635, 1780, 1962, 2180, 2403, 2670, 2943, 3204, 3270, 3924, 4005, 4806, 4905, 5340, 5886, 6540, 7209, 8010, 8829, 9612, 9701, 9810, 11772, 12015, 14418, 14715, 16020, 17658, 19402, 19620, 24030, 28836, 29103, 29430, 35316, 36045, 38804, 44145, 48060, 48505, 58206, 58860, 72090, 87309, 88290, 97010, 116412, 144180, 145515, 174618, 176580, 194020, 261927, 291030, 349236, 436545, 523854, 582060, 785781, 873090, 1047708, 1309635, 1571562, 1746180, 2619270, 3143124, 3928905, 5238540, 7857810, 15715620]

約数ペア:

[(1, 15715620), (2, 7857810), (3, 5238540), (4, 3928905), (5, 3143124), (6, 2619270), (9, 1746180), (10, 1571562), (12, 1309635), (15, 1047708), (18, 873090), (20, 785781), (27, 582060), (30, 523854), (36, 436545), (45, 349236), (54, 291030), (60, 261927), (81, 194020), (89, 176580), (90, 174618), (108, 145515), (109, 144180), (135, 116412), (162, 97010), (178, 88290), (180, 87309), (218, 72090), (267, 58860), (270, 58206), (324, 48505), (327, 48060), (356, 44145), (405, 38804), (436, 36045), (445, 35316), (534, 29430), (540, 29103), (545, 28836), (654, 24030), (801, 19620), (810, 19402), (890, 17658), (981, 16020), (1068, 14715), (1090, 14418), (1308, 12015), (1335, 11772), (1602, 9810), (1620, 9701), (1635, 9612), (1780, 8829), (1962, 8010), (2180, 7209), (2403, 6540), (2670, 5886), (2943, 5340), (3204, 4905), (3270, 4806), (3924, 4005)]