16090020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1259}}^1$

素因数の和:1345

約数の個数: 72

約数和(自身を含む): 49533120

約数和(自身を除く): 33443100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1259, 1278, 1420, 2130, 2518, 2556, 3195, 3777, 4260, 5036, 6295, 6390, 7554, 11331, 12590, 12780, 15108, 18885, 22662, 25180, 37770, 45324, 56655, 75540, 89389, 113310, 178778, 226620, 268167, 357556, 446945, 536334, 804501, 893890, 1072668, 1340835, 1609002, 1787780, 2681670, 3218004, 4022505, 5363340, 8045010, 16090020]

約数ペア:

[(1, 16090020), (2, 8045010), (3, 5363340), (4, 4022505), (5, 3218004), (6, 2681670), (9, 1787780), (10, 1609002), (12, 1340835), (15, 1072668), (18, 893890), (20, 804501), (30, 536334), (36, 446945), (45, 357556), (60, 268167), (71, 226620), (90, 178778), (142, 113310), (180, 89389), (213, 75540), (284, 56655), (355, 45324), (426, 37770), (639, 25180), (710, 22662), (852, 18885), (1065, 15108), (1259, 12780), (1278, 12590), (1420, 11331), (2130, 7554), (2518, 6390), (2556, 6295), (3195, 5036), (3777, 4260)]