421851520

素因数分解:

$2^7\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1721}}^1$

素因数の和:2123

約数の個数: 64

約数和(自身を含む): 1011709440

約数和(自身を除く): 589857920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 383, 640, 766, 1532, 1721, 1915, 3064, 3442, 3830, 6128, 6884, 7660, 8605, 12256, 13768, 15320, 17210, 24512, 27536, 30640, 34420, 49024, 55072, 61280, 68840, 110144, 122560, 137680, 220288, 245120, 275360, 550720, 659143, 1101440, 1318286, 2636572, 3295715, 5273144, 6591430, 10546288, 13182860, 21092576, 26365720, 42185152, 52731440, 84370304, 105462880, 210925760, 421851520]

約数ペア:

[(1, 421851520), (2, 210925760), (4, 105462880), (5, 84370304), (8, 52731440), (10, 42185152), (16, 26365720), (20, 21092576), (32, 13182860), (40, 10546288), (64, 6591430), (80, 5273144), (128, 3295715), (160, 2636572), (320, 1318286), (383, 1101440), (640, 659143), (766, 550720), (1532, 275360), (1721, 245120), (1915, 220288), (3064, 137680), (3442, 122560), (3830, 110144), (6128, 68840), (6884, 61280), (7660, 55072), (8605, 49024), (12256, 34420), (13768, 30640), (15320, 27536), (17210, 24512)]