81074560

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{18097}}^1$

素因数の和:18123

約数の個数: 64

約数和(自身を含む): 221519520

約数和(自身を除く): 140444960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 18097, 36194, 72388, 90485, 126679, 144776, 180970, 253358, 289552, 361940, 506716, 579104, 633395, 723880, 1013432, 1158208, 1266790, 1447760, 2026864, 2316416, 2533580, 2895520, 4053728, 5067160, 5791040, 8107456, 10134320, 11582080, 16214912, 20268640, 40537280, 81074560]

約数ペア:

[(1, 81074560), (2, 40537280), (4, 20268640), (5, 16214912), (7, 11582080), (8, 10134320), (10, 8107456), (14, 5791040), (16, 5067160), (20, 4053728), (28, 2895520), (32, 2533580), (35, 2316416), (40, 2026864), (56, 1447760), (64, 1266790), (70, 1158208), (80, 1013432), (112, 723880), (128, 633395), (140, 579104), (160, 506716), (224, 361940), (280, 289552), (320, 253358), (448, 180970), (560, 144776), (640, 126679), (896, 90485), (1120, 72388), (2240, 36194), (4480, 18097)]