245869680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4721}}^1$

素因数の和:4775

約数の個数: 160

約数和(自身を含む): 899371008

約数和(自身を除く): 653501328

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 560, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2480, 2604, 3255, 3472, 3720, 4340, 4721, 5208, 6510, 7440, 8680, 9442, 10416, 13020, 14163, 17360, 18884, 23605, 26040, 28326, 33047, 37768, 47210, 52080, 56652, 66094, 70815, 75536, 94420, 99141, 113304, 132188, 141630, 146351, 165235, 188840, 198282, 226608, 264376, 283260, 292702, 330470, 377680, 396564, 439053, 495705, 528752, 566520, 585404, 660940, 731755, 793128, 878106, 991410, 1024457, 1133040, 1170808, 1321880, 1463510, 1586256, 1756212, 1982820, 2048914, 2195265, 2341616, 2643760, 2927020, 3073371, 3512424, 3965640, 4097828, 4390530, 5122285, 5854040, 6146742, 7024848, 7931280, 8195656, 8781060, 10244570, 11708080, 12293484, 15366855, 16391312, 17562120, 20489140, 24586968, 30733710, 35124240, 40978280, 49173936, 61467420, 81956560, 122934840, 245869680]

約数ペア:

[(1, 245869680), (2, 122934840), (3, 81956560), (4, 61467420), (5, 49173936), (6, 40978280), (7, 35124240), (8, 30733710), (10, 24586968), (12, 20489140), (14, 17562120), (15, 16391312), (16, 15366855), (20, 12293484), (21, 11708080), (24, 10244570), (28, 8781060), (30, 8195656), (31, 7931280), (35, 7024848), (40, 6146742), (42, 5854040), (48, 5122285), (56, 4390530), (60, 4097828), (62, 3965640), (70, 3512424), (80, 3073371), (84, 2927020), (93, 2643760), (105, 2341616), (112, 2195265), (120, 2048914), (124, 1982820), (140, 1756212), (155, 1586256), (168, 1463510), (186, 1321880), (210, 1170808), (217, 1133040), (240, 1024457), (248, 991410), (280, 878106), (310, 793128), (336, 731755), (372, 660940), (420, 585404), (434, 566520), (465, 528752), (496, 495705), (560, 439053), (620, 396564), (651, 377680), (744, 330470), (840, 292702), (868, 283260), (930, 264376), (1085, 226608), (1240, 198282), (1302, 188840), (1488, 165235), (1680, 146351), (1736, 141630), (1860, 132188), (2170, 113304), (2480, 99141), (2604, 94420), (3255, 75536), (3472, 70815), (3720, 66094), (4340, 56652), (4721, 52080), (5208, 47210), (6510, 37768), (7440, 33047), (8680, 28326), (9442, 26040), (10416, 23605), (13020, 18884), (14163, 17360)]