72617440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2819}}^1$

素因数の和:2864

約数の個数: 96

約数和(自身を含む): 204664320

約数和(自身を除く): 132046880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 560, 644, 736, 805, 920, 1120, 1288, 1610, 1840, 2576, 2819, 3220, 3680, 5152, 5638, 6440, 11276, 12880, 14095, 19733, 22552, 25760, 28190, 39466, 45104, 56380, 64837, 78932, 90208, 98665, 112760, 129674, 157864, 197330, 225520, 259348, 315728, 324185, 394660, 451040, 453859, 518696, 631456, 648370, 789320, 907718, 1037392, 1296740, 1578640, 1815436, 2074784, 2269295, 2593480, 3157280, 3630872, 4538590, 5186960, 7261744, 9077180, 10373920, 14523488, 18154360, 36308720, 72617440]

約数ペア:

[(1, 72617440), (2, 36308720), (4, 18154360), (5, 14523488), (7, 10373920), (8, 9077180), (10, 7261744), (14, 5186960), (16, 4538590), (20, 3630872), (23, 3157280), (28, 2593480), (32, 2269295), (35, 2074784), (40, 1815436), (46, 1578640), (56, 1296740), (70, 1037392), (80, 907718), (92, 789320), (112, 648370), (115, 631456), (140, 518696), (160, 453859), (161, 451040), (184, 394660), (224, 324185), (230, 315728), (280, 259348), (322, 225520), (368, 197330), (460, 157864), (560, 129674), (644, 112760), (736, 98665), (805, 90208), (920, 78932), (1120, 64837), (1288, 56380), (1610, 45104), (1840, 39466), (2576, 28190), (2819, 25760), (3220, 22552), (3680, 19733), (5152, 14095), (5638, 12880), (6440, 11276)]