27310720

素因数分解:

$2^7\times 5^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:465

約数の個数: 64

約数和(自身を含む): 65973600

約数和(自身を除く): 38662880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 278, 307, 320, 556, 614, 640, 695, 1112, 1228, 1390, 1535, 2224, 2456, 2780, 3070, 4448, 4912, 5560, 6140, 8896, 9824, 11120, 12280, 17792, 19648, 22240, 24560, 39296, 42673, 44480, 49120, 85346, 88960, 98240, 170692, 196480, 213365, 341384, 426730, 682768, 853460, 1365536, 1706920, 2731072, 3413840, 5462144, 6827680, 13655360, 27310720]

約数ペア:

[(1, 27310720), (2, 13655360), (4, 6827680), (5, 5462144), (8, 3413840), (10, 2731072), (16, 1706920), (20, 1365536), (32, 853460), (40, 682768), (64, 426730), (80, 341384), (128, 213365), (139, 196480), (160, 170692), (278, 98240), (307, 88960), (320, 85346), (556, 49120), (614, 44480), (640, 42673), (695, 39296), (1112, 24560), (1228, 22240), (1390, 19648), (1535, 17792), (2224, 12280), (2456, 11120), (2780, 9824), (3070, 8896), (4448, 6140), (4912, 5560)]