8422020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1$

素因数の和:745

約数の個数: 72

約数和(自身を含む): 25945920

約数和(自身を除く): 17523900

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, 659, 710, 852, 1065, 1278, 1318, 1420, 1977, 2130, 2556, 2636, 3195, 3295, 3954, 4260, 5931, 6390, 6590, 7908, 9885, 11862, 12780, 13180, 19770, 23724, 29655, 39540, 46789, 59310, 93578, 118620, 140367, 187156, 233945, 280734, 421101, 467890, 561468, 701835, 842202, 935780, 1403670, 1684404, 2105505, 2807340, 4211010, 8422020]

約数ペア:

[(1, 8422020), (2, 4211010), (3, 2807340), (4, 2105505), (5, 1684404), (6, 1403670), (9, 935780), (10, 842202), (12, 701835), (15, 561468), (18, 467890), (20, 421101), (30, 280734), (36, 233945), (45, 187156), (60, 140367), (71, 118620), (90, 93578), (142, 59310), (180, 46789), (213, 39540), (284, 29655), (355, 23724), (426, 19770), (639, 13180), (659, 12780), (710, 11862), (852, 9885), (1065, 7908), (1278, 6590), (1318, 6390), (1420, 5931), (1977, 4260), (2130, 3954), (2556, 3295), (2636, 3195)]