1236727680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{644129}}^1$

素因数の和:644151

約数の個数: 64

約数和(自身を含む): 3942075600

約数和(自身を除く): 2705347920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 644129, 1288258, 1932387, 2576516, 3220645, 3864774, 5153032, 6441290, 7729548, 9661935, 10306064, 12882580, 15459096, 19323870, 20612128, 25765160, 30918192, 38647740, 41224256, 51530320, 61836384, 77295480, 82448512, 103060640, 123672768, 154590960, 206121280, 247345536, 309181920, 412242560, 618363840, 1236727680]

約数ペア:

[(1, 1236727680), (2, 618363840), (3, 412242560), (4, 309181920), (5, 247345536), (6, 206121280), (8, 154590960), (10, 123672768), (12, 103060640), (15, 82448512), (16, 77295480), (20, 61836384), (24, 51530320), (30, 41224256), (32, 38647740), (40, 30918192), (48, 25765160), (60, 20612128), (64, 19323870), (80, 15459096), (96, 12882580), (120, 10306064), (128, 9661935), (160, 7729548), (192, 6441290), (240, 5153032), (320, 3864774), (384, 3220645), (480, 2576516), (640, 1932387), (960, 1288258), (1920, 644129)]