347880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 1128960

約数和(自身を除く): 781080

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, 223, 260, 312, 390, 446, 520, 669, 780, 892, 1115, 1338, 1560, 1784, 2230, 2676, 2899, 3345, 4460, 5352, 5798, 6690, 8697, 8920, 11596, 13380, 14495, 17394, 23192, 26760, 28990, 34788, 43485, 57980, 69576, 86970, 115960, 173940, 347880]

約数ペア:

[(1, 347880), (2, 173940), (3, 115960), (4, 86970), (5, 69576), (6, 57980), (8, 43485), (10, 34788), (12, 28990), (13, 26760), (15, 23192), (20, 17394), (24, 14495), (26, 13380), (30, 11596), (39, 8920), (40, 8697), (52, 6690), (60, 5798), (65, 5352), (78, 4460), (104, 3345), (120, 2899), (130, 2676), (156, 2230), (195, 1784), (223, 1560), (260, 1338), (312, 1115), (390, 892), (446, 780), (520, 669)]