77684480

素因数分解:

$2^8\times 5^1\times {\mathrm{137}}^1\times {\mathrm{443}}^1$

素因数の和:601

約数の個数: 72

約数和(自身を含む): 187859952

約数和(自身を除く): 110175472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 256, 274, 320, 443, 548, 640, 685, 886, 1096, 1280, 1370, 1772, 2192, 2215, 2740, 3544, 4384, 4430, 5480, 7088, 8768, 8860, 10960, 14176, 17536, 17720, 21920, 28352, 35072, 35440, 43840, 56704, 60691, 70880, 87680, 113408, 121382, 141760, 175360, 242764, 283520, 303455, 485528, 567040, 606910, 971056, 1213820, 1942112, 2427640, 3884224, 4855280, 7768448, 9710560, 15536896, 19421120, 38842240, 77684480]

約数ペア:

[(1, 77684480), (2, 38842240), (4, 19421120), (5, 15536896), (8, 9710560), (10, 7768448), (16, 4855280), (20, 3884224), (32, 2427640), (40, 1942112), (64, 1213820), (80, 971056), (128, 606910), (137, 567040), (160, 485528), (256, 303455), (274, 283520), (320, 242764), (443, 175360), (548, 141760), (640, 121382), (685, 113408), (886, 87680), (1096, 70880), (1280, 60691), (1370, 56704), (1772, 43840), (2192, 35440), (2215, 35072), (2740, 28352), (3544, 21920), (4384, 17720), (4430, 17536), (5480, 14176), (7088, 10960), (8768, 8860)]