198844020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15559}}^1$

素因数の和:15645

約数の個数: 72

約数和(自身を含む): 611694720

約数和(自身を除く): 412850700

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, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 15559, 31118, 46677, 62236, 77795, 93354, 140031, 155590, 186708, 233385, 280062, 311180, 466770, 560124, 700155, 933540, 1104689, 1400310, 2209378, 2800620, 3314067, 4418756, 5523445, 6628134, 9942201, 11046890, 13256268, 16570335, 19884402, 22093780, 33140670, 39768804, 49711005, 66281340, 99422010, 198844020]

約数ペア:

[(1, 198844020), (2, 99422010), (3, 66281340), (4, 49711005), (5, 39768804), (6, 33140670), (9, 22093780), (10, 19884402), (12, 16570335), (15, 13256268), (18, 11046890), (20, 9942201), (30, 6628134), (36, 5523445), (45, 4418756), (60, 3314067), (71, 2800620), (90, 2209378), (142, 1400310), (180, 1104689), (213, 933540), (284, 700155), (355, 560124), (426, 466770), (639, 311180), (710, 280062), (852, 233385), (1065, 186708), (1278, 155590), (1420, 140031), (2130, 93354), (2556, 77795), (3195, 62236), (4260, 46677), (6390, 31118), (12780, 15559)]