1801523220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{612763}}^1$

素因数の和:612789

約数の個数: 72

約数和(自身を含む): 5867828064

約数和(自身を除く): 4066304844

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 612763, 1225526, 1838289, 2451052, 3063815, 3676578, 4289341, 6127630, 7353156, 8578682, 9191445, 12255260, 12868023, 17157364, 18382890, 21446705, 25736046, 30025387, 36765780, 42893410, 51472092, 60050774, 64340115, 85786820, 90076161, 120101548, 128680230, 150126935, 180152322, 257360460, 300253870, 360304644, 450380805, 600507740, 900761610, 1801523220]

約数ペア:

[(1, 1801523220), (2, 900761610), (3, 600507740), (4, 450380805), (5, 360304644), (6, 300253870), (7, 257360460), (10, 180152322), (12, 150126935), (14, 128680230), (15, 120101548), (20, 90076161), (21, 85786820), (28, 64340115), (30, 60050774), (35, 51472092), (42, 42893410), (49, 36765780), (60, 30025387), (70, 25736046), (84, 21446705), (98, 18382890), (105, 17157364), (140, 12868023), (147, 12255260), (196, 9191445), (210, 8578682), (245, 7353156), (294, 6127630), (420, 4289341), (490, 3676578), (588, 3063815), (735, 2451052), (980, 1838289), (1470, 1225526), (2940, 612763)]