64731520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{14449}}^1$

素因数の和:14475

約数の個数: 64

約数和(自身を含む): 176868000

約数和(自身を除く): 112136480

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, 14449, 28898, 57796, 72245, 101143, 115592, 144490, 202286, 231184, 288980, 404572, 462368, 505715, 577960, 809144, 924736, 1011430, 1155920, 1618288, 1849472, 2022860, 2311840, 3236576, 4045720, 4623680, 6473152, 8091440, 9247360, 12946304, 16182880, 32365760, 64731520]

約数ペア:

[(1, 64731520), (2, 32365760), (4, 16182880), (5, 12946304), (7, 9247360), (8, 8091440), (10, 6473152), (14, 4623680), (16, 4045720), (20, 3236576), (28, 2311840), (32, 2022860), (35, 1849472), (40, 1618288), (56, 1155920), (64, 1011430), (70, 924736), (80, 809144), (112, 577960), (128, 505715), (140, 462368), (160, 404572), (224, 288980), (280, 231184), (320, 202286), (448, 144490), (560, 115592), (640, 101143), (896, 72245), (1120, 57796), (2240, 28898), (4480, 14449)]