2771840

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:151

約数の個数: 64

約数和(自身を含む): 6829920

約数和(自身を除く): 4058080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 71, 80, 122, 128, 142, 160, 244, 284, 305, 320, 355, 488, 568, 610, 640, 710, 976, 1136, 1220, 1420, 1952, 2272, 2440, 2840, 3904, 4331, 4544, 4880, 5680, 7808, 8662, 9088, 9760, 11360, 17324, 19520, 21655, 22720, 34648, 39040, 43310, 45440, 69296, 86620, 138592, 173240, 277184, 346480, 554368, 692960, 1385920, 2771840]

約数ペア:

[(1, 2771840), (2, 1385920), (4, 692960), (5, 554368), (8, 346480), (10, 277184), (16, 173240), (20, 138592), (32, 86620), (40, 69296), (61, 45440), (64, 43310), (71, 39040), (80, 34648), (122, 22720), (128, 21655), (142, 19520), (160, 17324), (244, 11360), (284, 9760), (305, 9088), (320, 8662), (355, 7808), (488, 5680), (568, 4880), (610, 4544), (640, 4331), (710, 3904), (976, 2840), (1136, 2440), (1220, 2272), (1420, 1952)]