1557221640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{998219}}^1$

素因数の和:998246

約数の個数: 64

約数和(自身を含む): 5031028800

約数和(自身を除く): 3473807160

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, 998219, 1996438, 2994657, 3992876, 4991095, 5989314, 7985752, 9982190, 11978628, 12976847, 14973285, 19964380, 23957256, 25953694, 29946570, 38930541, 39928760, 51907388, 59893140, 64884235, 77861082, 103814776, 119786280, 129768470, 155722164, 194652705, 259536940, 311444328, 389305410, 519073880, 778610820, 1557221640]

約数ペア:

[(1, 1557221640), (2, 778610820), (3, 519073880), (4, 389305410), (5, 311444328), (6, 259536940), (8, 194652705), (10, 155722164), (12, 129768470), (13, 119786280), (15, 103814776), (20, 77861082), (24, 64884235), (26, 59893140), (30, 51907388), (39, 39928760), (40, 38930541), (52, 29946570), (60, 25953694), (65, 23957256), (78, 19964380), (104, 14973285), (120, 12976847), (130, 11978628), (156, 9982190), (195, 7985752), (260, 5989314), (312, 4991095), (390, 3992876), (520, 2994657), (780, 1996438), (1560, 998219)]