253134840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9721}}^1$

素因数の和:9773

約数の個数: 128

約数和(自身を含む): 895979520

約数和(自身を除く): 642844680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 9721, 13020, 19442, 26040, 29163, 38884, 48605, 58326, 68047, 77768, 97210, 116652, 136094, 145815, 194420, 204141, 233304, 272188, 291630, 301351, 340235, 388840, 408282, 544376, 583260, 602702, 680470, 816564, 904053, 1020705, 1166520, 1205404, 1360940, 1506755, 1633128, 1808106, 2041410, 2109457, 2410808, 2721880, 3013510, 3616212, 4082820, 4218914, 4520265, 6027020, 6328371, 7232424, 8165640, 8437828, 9040530, 10547285, 12054040, 12656742, 16875656, 18081060, 21094570, 25313484, 31641855, 36162120, 42189140, 50626968, 63283710, 84378280, 126567420, 253134840]

約数ペア:

[(1, 253134840), (2, 126567420), (3, 84378280), (4, 63283710), (5, 50626968), (6, 42189140), (7, 36162120), (8, 31641855), (10, 25313484), (12, 21094570), (14, 18081060), (15, 16875656), (20, 12656742), (21, 12054040), (24, 10547285), (28, 9040530), (30, 8437828), (31, 8165640), (35, 7232424), (40, 6328371), (42, 6027020), (56, 4520265), (60, 4218914), (62, 4082820), (70, 3616212), (84, 3013510), (93, 2721880), (105, 2410808), (120, 2109457), (124, 2041410), (140, 1808106), (155, 1633128), (168, 1506755), (186, 1360940), (210, 1205404), (217, 1166520), (248, 1020705), (280, 904053), (310, 816564), (372, 680470), (420, 602702), (434, 583260), (465, 544376), (620, 408282), (651, 388840), (744, 340235), (840, 301351), (868, 291630), (930, 272188), (1085, 233304), (1240, 204141), (1302, 194420), (1736, 145815), (1860, 136094), (2170, 116652), (2604, 97210), (3255, 77768), (3720, 68047), (4340, 58326), (5208, 48605), (6510, 38884), (8680, 29163), (9721, 26040), (13020, 19442)]