17989140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23063}}^1$

素因数の和:23088

約数の個数: 48

約数和(自身を含む): 54246528

約数和(自身を除く): 36257388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 23063, 46126, 69189, 92252, 115315, 138378, 230630, 276756, 299819, 345945, 461260, 599638, 691890, 899457, 1199276, 1383780, 1499095, 1798914, 2998190, 3597828, 4497285, 5996380, 8994570, 17989140]

約数ペア:

[(1, 17989140), (2, 8994570), (3, 5996380), (4, 4497285), (5, 3597828), (6, 2998190), (10, 1798914), (12, 1499095), (13, 1383780), (15, 1199276), (20, 899457), (26, 691890), (30, 599638), (39, 461260), (52, 345945), (60, 299819), (65, 276756), (78, 230630), (130, 138378), (156, 115315), (195, 92252), (260, 69189), (390, 46126), (780, 23063)]