206798520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2417}}^1$

素因数の和:2485

約数の個数: 128

約数和(自身を含む): 668528640

約数和(自身を除く): 461730120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 31, 40, 46, 60, 62, 69, 92, 93, 115, 120, 124, 138, 155, 184, 186, 230, 248, 276, 310, 345, 372, 460, 465, 552, 620, 690, 713, 744, 920, 930, 1240, 1380, 1426, 1860, 2139, 2417, 2760, 2852, 3565, 3720, 4278, 4834, 5704, 7130, 7251, 8556, 9668, 10695, 12085, 14260, 14502, 17112, 19336, 21390, 24170, 28520, 29004, 36255, 42780, 48340, 55591, 58008, 72510, 74927, 85560, 96680, 111182, 145020, 149854, 166773, 222364, 224781, 277955, 290040, 299708, 333546, 374635, 444728, 449562, 555910, 599416, 667092, 749270, 833865, 899124, 1111820, 1123905, 1334184, 1498540, 1667730, 1723321, 1798248, 2223640, 2247810, 2997080, 3335460, 3446642, 4495620, 5169963, 6670920, 6893284, 8616605, 8991240, 10339926, 13786568, 17233210, 20679852, 25849815, 34466420, 41359704, 51699630, 68932840, 103399260, 206798520]

約数ペア:

[(1, 206798520), (2, 103399260), (3, 68932840), (4, 51699630), (5, 41359704), (6, 34466420), (8, 25849815), (10, 20679852), (12, 17233210), (15, 13786568), (20, 10339926), (23, 8991240), (24, 8616605), (30, 6893284), (31, 6670920), (40, 5169963), (46, 4495620), (60, 3446642), (62, 3335460), (69, 2997080), (92, 2247810), (93, 2223640), (115, 1798248), (120, 1723321), (124, 1667730), (138, 1498540), (155, 1334184), (184, 1123905), (186, 1111820), (230, 899124), (248, 833865), (276, 749270), (310, 667092), (345, 599416), (372, 555910), (460, 449562), (465, 444728), (552, 374635), (620, 333546), (690, 299708), (713, 290040), (744, 277955), (920, 224781), (930, 222364), (1240, 166773), (1380, 149854), (1426, 145020), (1860, 111182), (2139, 96680), (2417, 85560), (2760, 74927), (2852, 72510), (3565, 58008), (3720, 55591), (4278, 48340), (4834, 42780), (5704, 36255), (7130, 29004), (7251, 28520), (8556, 24170), (9668, 21390), (10695, 19336), (12085, 17112), (14260, 14502)]