253689240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4951}}^1$

素因数の和:5033

約数の個数: 128

約数和(自身を含む): 884229120

約数和(自身を除く): 630539880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 61, 70, 84, 105, 120, 122, 140, 168, 183, 210, 244, 280, 305, 366, 420, 427, 488, 610, 732, 840, 854, 915, 1220, 1281, 1464, 1708, 1830, 2135, 2440, 2562, 3416, 3660, 4270, 4951, 5124, 6405, 7320, 8540, 9902, 10248, 12810, 14853, 17080, 19804, 24755, 25620, 29706, 34657, 39608, 49510, 51240, 59412, 69314, 74265, 99020, 103971, 118824, 138628, 148530, 173285, 198040, 207942, 277256, 297060, 302011, 346570, 415884, 519855, 594120, 604022, 693140, 831768, 906033, 1039710, 1208044, 1386280, 1510055, 1812066, 2079420, 2114077, 2416088, 3020110, 3624132, 4158840, 4228154, 4530165, 6040220, 6342231, 7248264, 8456308, 9060330, 10570385, 12080440, 12684462, 16912616, 18120660, 21140770, 25368924, 31711155, 36241320, 42281540, 50737848, 63422310, 84563080, 126844620, 253689240]

約数ペア:

[(1, 253689240), (2, 126844620), (3, 84563080), (4, 63422310), (5, 50737848), (6, 42281540), (7, 36241320), (8, 31711155), (10, 25368924), (12, 21140770), (14, 18120660), (15, 16912616), (20, 12684462), (21, 12080440), (24, 10570385), (28, 9060330), (30, 8456308), (35, 7248264), (40, 6342231), (42, 6040220), (56, 4530165), (60, 4228154), (61, 4158840), (70, 3624132), (84, 3020110), (105, 2416088), (120, 2114077), (122, 2079420), (140, 1812066), (168, 1510055), (183, 1386280), (210, 1208044), (244, 1039710), (280, 906033), (305, 831768), (366, 693140), (420, 604022), (427, 594120), (488, 519855), (610, 415884), (732, 346570), (840, 302011), (854, 297060), (915, 277256), (1220, 207942), (1281, 198040), (1464, 173285), (1708, 148530), (1830, 138628), (2135, 118824), (2440, 103971), (2562, 99020), (3416, 74265), (3660, 69314), (4270, 59412), (4951, 51240), (5124, 49510), (6405, 39608), (7320, 34657), (8540, 29706), (9902, 25620), (10248, 24755), (12810, 19804), (14853, 17080)]