1428430720

素因数分解:

$2^7\times 5^1\times {\mathrm{139}}^1\times {\mathrm{16057}}^1$

素因数の和:16215

約数の個数: 64

約数和(自身を含む): 3439623600

約数和(自身を除く): 2011192880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 278, 320, 556, 640, 695, 1112, 1390, 2224, 2780, 4448, 5560, 8896, 11120, 16057, 17792, 22240, 32114, 44480, 64228, 80285, 88960, 128456, 160570, 256912, 321140, 513824, 642280, 1027648, 1284560, 2055296, 2231923, 2569120, 4463846, 5138240, 8927692, 10276480, 11159615, 17855384, 22319230, 35710768, 44638460, 71421536, 89276920, 142843072, 178553840, 285686144, 357107680, 714215360, 1428430720]

約数ペア:

[(1, 1428430720), (2, 714215360), (4, 357107680), (5, 285686144), (8, 178553840), (10, 142843072), (16, 89276920), (20, 71421536), (32, 44638460), (40, 35710768), (64, 22319230), (80, 17855384), (128, 11159615), (139, 10276480), (160, 8927692), (278, 5138240), (320, 4463846), (556, 2569120), (640, 2231923), (695, 2055296), (1112, 1284560), (1390, 1027648), (2224, 642280), (2780, 513824), (4448, 321140), (5560, 256912), (8896, 160570), (11120, 128456), (16057, 88960), (17792, 80285), (22240, 64228), (32114, 44480)]