205806240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1091}}^1$

素因数の和:1243

約数の個数: 144

約数和(自身を含む): 708323616

約数和(自身を除く): 502517376

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 131, 144, 160, 180, 240, 262, 288, 360, 393, 480, 524, 655, 720, 786, 1048, 1091, 1179, 1310, 1440, 1572, 1965, 2096, 2182, 2358, 2620, 3144, 3273, 3930, 4192, 4364, 4716, 5240, 5455, 5895, 6288, 6546, 7860, 8728, 9432, 9819, 10480, 10910, 11790, 12576, 13092, 15720, 16365, 17456, 18864, 19638, 20960, 21820, 23580, 26184, 31440, 32730, 34912, 37728, 39276, 43640, 47160, 49095, 52368, 62880, 65460, 78552, 87280, 94320, 98190, 104736, 130920, 142921, 157104, 174560, 188640, 196380, 261840, 285842, 314208, 392760, 428763, 523680, 571684, 714605, 785520, 857526, 1143368, 1286289, 1429210, 1571040, 1715052, 2143815, 2286736, 2572578, 2858420, 3430104, 4287630, 4573472, 5145156, 5716840, 6431445, 6860208, 8575260, 10290312, 11433680, 12862890, 13720416, 17150520, 20580624, 22867360, 25725780, 34301040, 41161248, 51451560, 68602080, 102903120, 205806240]

約数ペア:

[(1, 205806240), (2, 102903120), (3, 68602080), (4, 51451560), (5, 41161248), (6, 34301040), (8, 25725780), (9, 22867360), (10, 20580624), (12, 17150520), (15, 13720416), (16, 12862890), (18, 11433680), (20, 10290312), (24, 8575260), (30, 6860208), (32, 6431445), (36, 5716840), (40, 5145156), (45, 4573472), (48, 4287630), (60, 3430104), (72, 2858420), (80, 2572578), (90, 2286736), (96, 2143815), (120, 1715052), (131, 1571040), (144, 1429210), (160, 1286289), (180, 1143368), (240, 857526), (262, 785520), (288, 714605), (360, 571684), (393, 523680), (480, 428763), (524, 392760), (655, 314208), (720, 285842), (786, 261840), (1048, 196380), (1091, 188640), (1179, 174560), (1310, 157104), (1440, 142921), (1572, 130920), (1965, 104736), (2096, 98190), (2182, 94320), (2358, 87280), (2620, 78552), (3144, 65460), (3273, 62880), (3930, 52368), (4192, 49095), (4364, 47160), (4716, 43640), (5240, 39276), (5455, 37728), (5895, 34912), (6288, 32730), (6546, 31440), (7860, 26184), (8728, 23580), (9432, 21820), (9819, 20960), (10480, 19638), (10910, 18864), (11790, 17456), (12576, 16365), (13092, 15720)]