720070120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{601}}^1$

素因数の和:1019

約数の個数: 128

約数和(自身を含む): 2028499200

約数和(自身を除く): 1308429080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 389, 440, 601, 616, 770, 778, 1202, 1540, 1556, 1945, 2404, 2723, 3005, 3080, 3112, 3890, 4207, 4279, 4808, 5446, 6010, 6611, 7780, 8414, 8558, 10892, 12020, 13222, 13615, 15560, 16828, 17116, 21035, 21395, 21784, 24040, 26444, 27230, 29953, 33055, 33656, 34232, 42070, 42790, 46277, 52888, 54460, 59906, 66110, 84140, 85580, 92554, 108920, 119812, 132220, 149765, 168280, 171160, 185108, 231385, 233789, 239624, 264440, 299530, 370216, 462770, 467578, 599060, 925540, 935156, 1168945, 1198120, 1636523, 1851080, 1870312, 2337890, 2571679, 3273046, 4675780, 5143358, 6546092, 8182615, 9351560, 10286716, 12858395, 13092184, 16365230, 18001753, 20573432, 25716790, 32730460, 36003506, 51433580, 65460920, 72007012, 90008765, 102867160, 144014024, 180017530, 360035060, 720070120]

約数ペア:

[(1, 720070120), (2, 360035060), (4, 180017530), (5, 144014024), (7, 102867160), (8, 90008765), (10, 72007012), (11, 65460920), (14, 51433580), (20, 36003506), (22, 32730460), (28, 25716790), (35, 20573432), (40, 18001753), (44, 16365230), (55, 13092184), (56, 12858395), (70, 10286716), (77, 9351560), (88, 8182615), (110, 6546092), (140, 5143358), (154, 4675780), (220, 3273046), (280, 2571679), (308, 2337890), (385, 1870312), (389, 1851080), (440, 1636523), (601, 1198120), (616, 1168945), (770, 935156), (778, 925540), (1202, 599060), (1540, 467578), (1556, 462770), (1945, 370216), (2404, 299530), (2723, 264440), (3005, 239624), (3080, 233789), (3112, 231385), (3890, 185108), (4207, 171160), (4279, 168280), (4808, 149765), (5446, 132220), (6010, 119812), (6611, 108920), (7780, 92554), (8414, 85580), (8558, 84140), (10892, 66110), (12020, 59906), (13222, 54460), (13615, 52888), (15560, 46277), (16828, 42790), (17116, 42070), (21035, 34232), (21395, 33656), (21784, 33055), (24040, 29953), (26444, 27230)]