618879780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{180959}}^1$

素因数の和:180993

約数の個数: 72

約数和(自身を含む): 1976083200

約数和(自身を除く): 1357203420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 180959, 361918, 542877, 723836, 904795, 1085754, 1628631, 1809590, 2171508, 2714385, 3257262, 3438221, 3619180, 5428770, 6514524, 6876442, 8143155, 10314663, 10857540, 13752884, 16286310, 17191105, 20629326, 30943989, 32572620, 34382210, 41258652, 51573315, 61887978, 68764420, 103146630, 123775956, 154719945, 206293260, 309439890, 618879780]

約数ペア:

[(1, 618879780), (2, 309439890), (3, 206293260), (4, 154719945), (5, 123775956), (6, 103146630), (9, 68764420), (10, 61887978), (12, 51573315), (15, 41258652), (18, 34382210), (19, 32572620), (20, 30943989), (30, 20629326), (36, 17191105), (38, 16286310), (45, 13752884), (57, 10857540), (60, 10314663), (76, 8143155), (90, 6876442), (95, 6514524), (114, 5428770), (171, 3619180), (180, 3438221), (190, 3257262), (228, 2714385), (285, 2171508), (342, 1809590), (380, 1628631), (570, 1085754), (684, 904795), (855, 723836), (1140, 542877), (1710, 361918), (3420, 180959)]