1990572240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{436529}}^1$

素因数の和:436564

約数の個数: 80

約数和(自身を含む): 6495566400

約数和(自身を除く): 4504994160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 436529, 873058, 1309587, 1746116, 2182645, 2619174, 3492232, 4365290, 5238348, 6547935, 6984464, 8294051, 8730580, 10476696, 13095870, 16588102, 17461160, 20953392, 24882153, 26191740, 33176204, 34922320, 41470255, 49764306, 52383480, 66352408, 82940510, 99528612, 104766960, 124410765, 132704816, 165881020, 199057224, 248821530, 331762040, 398114448, 497643060, 663524080, 995286120, 1990572240]

約数ペア:

[(1, 1990572240), (2, 995286120), (3, 663524080), (4, 497643060), (5, 398114448), (6, 331762040), (8, 248821530), (10, 199057224), (12, 165881020), (15, 132704816), (16, 124410765), (19, 104766960), (20, 99528612), (24, 82940510), (30, 66352408), (38, 52383480), (40, 49764306), (48, 41470255), (57, 34922320), (60, 33176204), (76, 26191740), (80, 24882153), (95, 20953392), (114, 17461160), (120, 16588102), (152, 13095870), (190, 10476696), (228, 8730580), (240, 8294051), (285, 6984464), (304, 6547935), (380, 5238348), (456, 4365290), (570, 3492232), (760, 2619174), (912, 2182645), (1140, 1746116), (1520, 1309587), (2280, 873058), (4560, 436529)]