209588520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{547}}^1$

素因数の和:695

約数の個数: 128

約数和(自身を含む): 656547840

約数和(自身を除く): 446959320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 103, 120, 124, 155, 186, 206, 248, 309, 310, 372, 412, 465, 515, 547, 618, 620, 744, 824, 930, 1030, 1094, 1236, 1240, 1545, 1641, 1860, 2060, 2188, 2472, 2735, 3090, 3193, 3282, 3720, 4120, 4376, 5470, 6180, 6386, 6564, 8205, 9579, 10940, 12360, 12772, 13128, 15965, 16410, 16957, 19158, 21880, 25544, 31930, 32820, 33914, 38316, 47895, 50871, 56341, 63860, 65640, 67828, 76632, 84785, 95790, 101742, 112682, 127720, 135656, 169023, 169570, 191580, 203484, 225364, 254355, 281705, 338046, 339140, 383160, 406968, 450728, 508710, 563410, 676092, 678280, 845115, 1017420, 1126820, 1352184, 1690230, 1746571, 2034840, 2253640, 3380460, 3493142, 5239713, 6760920, 6986284, 8732855, 10479426, 13972568, 17465710, 20958852, 26198565, 34931420, 41917704, 52397130, 69862840, 104794260, 209588520]

約数ペア:

[(1, 209588520), (2, 104794260), (3, 69862840), (4, 52397130), (5, 41917704), (6, 34931420), (8, 26198565), (10, 20958852), (12, 17465710), (15, 13972568), (20, 10479426), (24, 8732855), (30, 6986284), (31, 6760920), (40, 5239713), (60, 3493142), (62, 3380460), (93, 2253640), (103, 2034840), (120, 1746571), (124, 1690230), (155, 1352184), (186, 1126820), (206, 1017420), (248, 845115), (309, 678280), (310, 676092), (372, 563410), (412, 508710), (465, 450728), (515, 406968), (547, 383160), (618, 339140), (620, 338046), (744, 281705), (824, 254355), (930, 225364), (1030, 203484), (1094, 191580), (1236, 169570), (1240, 169023), (1545, 135656), (1641, 127720), (1860, 112682), (2060, 101742), (2188, 95790), (2472, 84785), (2735, 76632), (3090, 67828), (3193, 65640), (3282, 63860), (3720, 56341), (4120, 50871), (4376, 47895), (5470, 38316), (6180, 33914), (6386, 32820), (6564, 31930), (8205, 25544), (9579, 21880), (10940, 19158), (12360, 16957), (12772, 16410), (13128, 15965)]