219995880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{141023}}^1$

素因数の和:141050

約数の個数: 64

約数和(自身を含む): 710760960

約数和(自身を除く): 490765080

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, 141023, 282046, 423069, 564092, 705115, 846138, 1128184, 1410230, 1692276, 1833299, 2115345, 2820460, 3384552, 3666598, 4230690, 5499897, 5640920, 7333196, 8461380, 9166495, 10999794, 14666392, 16922760, 18332990, 21999588, 27499485, 36665980, 43999176, 54998970, 73331960, 109997940, 219995880]

約数ペア:

[(1, 219995880), (2, 109997940), (3, 73331960), (4, 54998970), (5, 43999176), (6, 36665980), (8, 27499485), (10, 21999588), (12, 18332990), (13, 16922760), (15, 14666392), (20, 10999794), (24, 9166495), (26, 8461380), (30, 7333196), (39, 5640920), (40, 5499897), (52, 4230690), (60, 3666598), (65, 3384552), (78, 2820460), (104, 2115345), (120, 1833299), (130, 1692276), (156, 1410230), (195, 1128184), (260, 846138), (312, 705115), (390, 564092), (520, 423069), (780, 282046), (1560, 141023)]