15280020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:270

約数の個数: 144

約数和(自身を含む): 54058368

約数和(自身を除く): 38778348

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 67, 70, 84, 90, 105, 126, 134, 140, 180, 181, 201, 210, 252, 268, 315, 335, 362, 402, 420, 469, 543, 603, 630, 670, 724, 804, 905, 938, 1005, 1086, 1206, 1260, 1267, 1340, 1407, 1629, 1810, 1876, 2010, 2172, 2345, 2412, 2534, 2715, 2814, 3015, 3258, 3620, 3801, 4020, 4221, 4690, 5068, 5430, 5628, 6030, 6335, 6516, 7035, 7602, 8145, 8442, 9380, 10860, 11403, 12060, 12127, 12670, 14070, 15204, 16290, 16884, 19005, 21105, 22806, 24254, 25340, 28140, 32580, 36381, 38010, 42210, 45612, 48508, 57015, 60635, 72762, 76020, 84420, 84889, 109143, 114030, 121270, 145524, 169778, 181905, 218286, 228060, 242540, 254667, 339556, 363810, 424445, 436572, 509334, 545715, 727620, 764001, 848890, 1018668, 1091430, 1273335, 1528002, 1697780, 2182860, 2546670, 3056004, 3820005, 5093340, 7640010, 15280020]

約数ペア:

[(1, 15280020), (2, 7640010), (3, 5093340), (4, 3820005), (5, 3056004), (6, 2546670), (7, 2182860), (9, 1697780), (10, 1528002), (12, 1273335), (14, 1091430), (15, 1018668), (18, 848890), (20, 764001), (21, 727620), (28, 545715), (30, 509334), (35, 436572), (36, 424445), (42, 363810), (45, 339556), (60, 254667), (63, 242540), (67, 228060), (70, 218286), (84, 181905), (90, 169778), (105, 145524), (126, 121270), (134, 114030), (140, 109143), (180, 84889), (181, 84420), (201, 76020), (210, 72762), (252, 60635), (268, 57015), (315, 48508), (335, 45612), (362, 42210), (402, 38010), (420, 36381), (469, 32580), (543, 28140), (603, 25340), (630, 24254), (670, 22806), (724, 21105), (804, 19005), (905, 16884), (938, 16290), (1005, 15204), (1086, 14070), (1206, 12670), (1260, 12127), (1267, 12060), (1340, 11403), (1407, 10860), (1629, 9380), (1810, 8442), (1876, 8145), (2010, 7602), (2172, 7035), (2345, 6516), (2412, 6335), (2534, 6030), (2715, 5628), (2814, 5430), (3015, 5068), (3258, 4690), (3620, 4221), (3801, 4020)]