64910720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{14489}}^1$

素因数の和:14515

約数の個数: 64

約数和(自身を含む): 177357600

約数和(自身を除く): 112446880

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, 14489, 28978, 57956, 72445, 101423, 115912, 144890, 202846, 231824, 289780, 405692, 463648, 507115, 579560, 811384, 927296, 1014230, 1159120, 1622768, 1854592, 2028460, 2318240, 3245536, 4056920, 4636480, 6491072, 8113840, 9272960, 12982144, 16227680, 32455360, 64910720]

約数ペア:

[(1, 64910720), (2, 32455360), (4, 16227680), (5, 12982144), (7, 9272960), (8, 8113840), (10, 6491072), (14, 4636480), (16, 4056920), (20, 3245536), (28, 2318240), (32, 2028460), (35, 1854592), (40, 1622768), (56, 1159120), (64, 1014230), (70, 927296), (80, 811384), (112, 579560), (128, 507115), (140, 463648), (160, 405692), (224, 289780), (280, 231824), (320, 202846), (448, 144890), (560, 115912), (640, 101423), (896, 72445), (1120, 57956), (2240, 28978), (4480, 14489)]