3988920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2557}}^1$

素因数の和:2584

約数の個数: 64

約数和(自身を含む): 12892320

約数和(自身を除く): 8903400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 2557, 5114, 7671, 10228, 12785, 15342, 20456, 25570, 30684, 33241, 38355, 51140, 61368, 66482, 76710, 99723, 102280, 132964, 153420, 166205, 199446, 265928, 306840, 332410, 398892, 498615, 664820, 797784, 997230, 1329640, 1994460, 3988920]

約数ペア:

[(1, 3988920), (2, 1994460), (3, 1329640), (4, 997230), (5, 797784), (6, 664820), (8, 498615), (10, 398892), (12, 332410), (13, 306840), (15, 265928), (20, 199446), (24, 166205), (26, 153420), (30, 132964), (39, 102280), (40, 99723), (52, 76710), (60, 66482), (65, 61368), (78, 51140), (104, 38355), (120, 33241), (130, 30684), (156, 25570), (195, 20456), (260, 15342), (312, 12785), (390, 10228), (520, 7671), (780, 5114), (1560, 2557)]