248664640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3581}}^1$

素因数の和:3636

約数の個数: 112

約数和(自身を含む): 698747904

約数和(自身を除く): 450083264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3472, 3581, 4340, 4960, 6944, 7162, 8680, 9920, 13888, 14324, 17360, 17905, 25067, 28648, 34720, 35810, 50134, 57296, 69440, 71620, 100268, 111011, 114592, 125335, 143240, 200536, 222022, 229184, 250670, 286480, 401072, 444044, 501340, 555055, 572960, 777077, 802144, 888088, 1002680, 1110110, 1145920, 1554154, 1604288, 1776176, 2005360, 2220220, 3108308, 3552352, 3885385, 4010720, 4440440, 6216616, 7104704, 7770770, 8021440, 8880880, 12433232, 15541540, 17761760, 24866464, 31083080, 35523520, 49732928, 62166160, 124332320, 248664640]

約数ペア:

[(1, 248664640), (2, 124332320), (4, 62166160), (5, 49732928), (7, 35523520), (8, 31083080), (10, 24866464), (14, 17761760), (16, 15541540), (20, 12433232), (28, 8880880), (31, 8021440), (32, 7770770), (35, 7104704), (40, 6216616), (56, 4440440), (62, 4010720), (64, 3885385), (70, 3552352), (80, 3108308), (112, 2220220), (124, 2005360), (140, 1776176), (155, 1604288), (160, 1554154), (217, 1145920), (224, 1110110), (248, 1002680), (280, 888088), (310, 802144), (320, 777077), (434, 572960), (448, 555055), (496, 501340), (560, 444044), (620, 401072), (868, 286480), (992, 250670), (1085, 229184), (1120, 222022), (1240, 200536), (1736, 143240), (1984, 125335), (2170, 114592), (2240, 111011), (2480, 100268), (3472, 71620), (3581, 69440), (4340, 57296), (4960, 50134), (6944, 35810), (7162, 34720), (8680, 28648), (9920, 25067), (13888, 17905), (14324, 17360)]