1385920

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 56

約数和(自身を含む): 3401568

約数和(自身を除く): 2015648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 71, 80, 122, 142, 160, 244, 284, 305, 320, 355, 488, 568, 610, 710, 976, 1136, 1220, 1420, 1952, 2272, 2440, 2840, 3904, 4331, 4544, 4880, 5680, 8662, 9760, 11360, 17324, 19520, 21655, 22720, 34648, 43310, 69296, 86620, 138592, 173240, 277184, 346480, 692960, 1385920]

約数ペア:

[(1, 1385920), (2, 692960), (4, 346480), (5, 277184), (8, 173240), (10, 138592), (16, 86620), (20, 69296), (32, 43310), (40, 34648), (61, 22720), (64, 21655), (71, 19520), (80, 17324), (122, 11360), (142, 9760), (160, 8662), (244, 5680), (284, 4880), (305, 4544), (320, 4331), (355, 3904), (488, 2840), (568, 2440), (610, 2272), (710, 1952), (976, 1420), (1136, 1220)]