72705920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{16229}}^1$

素因数の和:16255

約数の個数: 64

約数和(自身を含む): 198655200

約数和(自身を除く): 125949280

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, 16229, 32458, 64916, 81145, 113603, 129832, 162290, 227206, 259664, 324580, 454412, 519328, 568015, 649160, 908824, 1038656, 1136030, 1298320, 1817648, 2077312, 2272060, 2596640, 3635296, 4544120, 5193280, 7270592, 9088240, 10386560, 14541184, 18176480, 36352960, 72705920]

約数ペア:

[(1, 72705920), (2, 36352960), (4, 18176480), (5, 14541184), (7, 10386560), (8, 9088240), (10, 7270592), (14, 5193280), (16, 4544120), (20, 3635296), (28, 2596640), (32, 2272060), (35, 2077312), (40, 1817648), (56, 1298320), (64, 1136030), (70, 1038656), (80, 908824), (112, 649160), (128, 568015), (140, 519328), (160, 454412), (224, 324580), (280, 259664), (320, 227206), (448, 162290), (560, 129832), (640, 113603), (896, 81145), (1120, 64916), (2240, 32458), (4480, 16229)]