258928960

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1151}}^1$

素因数の和:1224

約数の個数: 112

約数和(自身を含む): 667146240

約数和(自身を除く): 408217280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 64, 74, 76, 80, 95, 148, 152, 160, 185, 190, 296, 304, 320, 370, 380, 592, 608, 703, 740, 760, 1151, 1184, 1216, 1406, 1480, 1520, 2302, 2368, 2812, 2960, 3040, 3515, 4604, 5624, 5755, 5920, 6080, 7030, 9208, 11248, 11510, 11840, 14060, 18416, 21869, 22496, 23020, 28120, 36832, 42587, 43738, 44992, 46040, 56240, 73664, 85174, 87476, 92080, 109345, 112480, 170348, 174952, 184160, 212935, 218690, 224960, 340696, 349904, 368320, 425870, 437380, 681392, 699808, 809153, 851740, 874760, 1362784, 1399616, 1618306, 1703480, 1749520, 2725568, 3236612, 3406960, 3499040, 4045765, 6473224, 6813920, 6998080, 8091530, 12946448, 13627840, 16183060, 25892896, 32366120, 51785792, 64732240, 129464480, 258928960]

約数ペア:

[(1, 258928960), (2, 129464480), (4, 64732240), (5, 51785792), (8, 32366120), (10, 25892896), (16, 16183060), (19, 13627840), (20, 12946448), (32, 8091530), (37, 6998080), (38, 6813920), (40, 6473224), (64, 4045765), (74, 3499040), (76, 3406960), (80, 3236612), (95, 2725568), (148, 1749520), (152, 1703480), (160, 1618306), (185, 1399616), (190, 1362784), (296, 874760), (304, 851740), (320, 809153), (370, 699808), (380, 681392), (592, 437380), (608, 425870), (703, 368320), (740, 349904), (760, 340696), (1151, 224960), (1184, 218690), (1216, 212935), (1406, 184160), (1480, 174952), (1520, 170348), (2302, 112480), (2368, 109345), (2812, 92080), (2960, 87476), (3040, 85174), (3515, 73664), (4604, 56240), (5624, 46040), (5755, 44992), (5920, 43738), (6080, 42587), (7030, 36832), (9208, 28120), (11248, 23020), (11510, 22496), (11840, 21869), (14060, 18416)]