1520488960

素因数分解:

$2^9\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5449}}^1$

素因数の和:5581

約数の個数: 80

約数和(自身を含む): 3679731000

約数和(自身を除く): 2159242040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 256, 320, 436, 512, 545, 640, 872, 1090, 1280, 1744, 2180, 2560, 3488, 4360, 5449, 6976, 8720, 10898, 13952, 17440, 21796, 27245, 27904, 34880, 43592, 54490, 55808, 69760, 87184, 108980, 139520, 174368, 217960, 279040, 348736, 435920, 593941, 697472, 871840, 1187882, 1394944, 1743680, 2375764, 2789888, 2969705, 3487360, 4751528, 5939410, 6974720, 9503056, 11878820, 13949440, 19006112, 23757640, 38012224, 47515280, 76024448, 95030560, 152048896, 190061120, 304097792, 380122240, 760244480, 1520488960]

約数ペア:

[(1, 1520488960), (2, 760244480), (4, 380122240), (5, 304097792), (8, 190061120), (10, 152048896), (16, 95030560), (20, 76024448), (32, 47515280), (40, 38012224), (64, 23757640), (80, 19006112), (109, 13949440), (128, 11878820), (160, 9503056), (218, 6974720), (256, 5939410), (320, 4751528), (436, 3487360), (512, 2969705), (545, 2789888), (640, 2375764), (872, 1743680), (1090, 1394944), (1280, 1187882), (1744, 871840), (2180, 697472), (2560, 593941), (3488, 435920), (4360, 348736), (5449, 279040), (6976, 217960), (8720, 174368), (10898, 139520), (13952, 108980), (17440, 87184), (21796, 69760), (27245, 55808), (27904, 54490), (34880, 43592)]