885639780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{258959}}^1$

素因数の和:258993

約数の個数: 72

約数和(自身を含む): 2827843200

約数和(自身を除く): 1942203420

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, 258959, 517918, 776877, 1035836, 1294795, 1553754, 2330631, 2589590, 3107508, 3884385, 4661262, 4920221, 5179180, 7768770, 9322524, 9840442, 11653155, 14760663, 15537540, 19680884, 23306310, 24601105, 29521326, 44281989, 46612620, 49202210, 59042652, 73803315, 88563978, 98404420, 147606630, 177127956, 221409945, 295213260, 442819890, 885639780]

約数ペア:

[(1, 885639780), (2, 442819890), (3, 295213260), (4, 221409945), (5, 177127956), (6, 147606630), (9, 98404420), (10, 88563978), (12, 73803315), (15, 59042652), (18, 49202210), (19, 46612620), (20, 44281989), (30, 29521326), (36, 24601105), (38, 23306310), (45, 19680884), (57, 15537540), (60, 14760663), (76, 11653155), (90, 9840442), (95, 9322524), (114, 7768770), (171, 5179180), (180, 4920221), (190, 4661262), (228, 3884385), (285, 3107508), (342, 2589590), (380, 2330631), (570, 1553754), (684, 1294795), (855, 1035836), (1140, 776877), (1710, 517918), (3420, 258959)]