71730960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{42697}}^1$

素因数の和:42720

約数の個数: 80

約数和(自身を含む): 254138496

約数和(自身を除く): 182407536

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 42697, 85394, 128091, 170788, 213485, 256182, 298879, 341576, 426970, 512364, 597758, 640455, 683152, 853940, 896637, 1024728, 1195516, 1280910, 1494395, 1707880, 1793274, 2049456, 2391032, 2561820, 2988790, 3415760, 3586548, 4483185, 4782064, 5123640, 5977580, 7173096, 8966370, 10247280, 11955160, 14346192, 17932740, 23910320, 35865480, 71730960]

約数ペア:

[(1, 71730960), (2, 35865480), (3, 23910320), (4, 17932740), (5, 14346192), (6, 11955160), (7, 10247280), (8, 8966370), (10, 7173096), (12, 5977580), (14, 5123640), (15, 4782064), (16, 4483185), (20, 3586548), (21, 3415760), (24, 2988790), (28, 2561820), (30, 2391032), (35, 2049456), (40, 1793274), (42, 1707880), (48, 1494395), (56, 1280910), (60, 1195516), (70, 1024728), (80, 896637), (84, 853940), (105, 683152), (112, 640455), (120, 597758), (140, 512364), (168, 426970), (210, 341576), (240, 298879), (280, 256182), (336, 213485), (420, 170788), (560, 128091), (840, 85394), (1680, 42697)]