180540780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1051}}^1$

素因数の和:1479

約数の個数: 96

約数和(自身を含む): 579694080

約数和(自身を除く): 399153300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 409, 420, 818, 1051, 1227, 1636, 2045, 2102, 2454, 2863, 3153, 4090, 4204, 4908, 5255, 5726, 6135, 6306, 7357, 8180, 8589, 10510, 11452, 12270, 12612, 14315, 14714, 15765, 17178, 21020, 22071, 24540, 28630, 29428, 31530, 34356, 36785, 42945, 44142, 57260, 63060, 73570, 85890, 88284, 110355, 147140, 171780, 220710, 429859, 441420, 859718, 1289577, 1719436, 2149295, 2579154, 3009013, 4298590, 5158308, 6018026, 6447885, 8597180, 9027039, 12036052, 12895770, 15045065, 18054078, 25791540, 30090130, 36108156, 45135195, 60180260, 90270390, 180540780]

約数ペア:

[(1, 180540780), (2, 90270390), (3, 60180260), (4, 45135195), (5, 36108156), (6, 30090130), (7, 25791540), (10, 18054078), (12, 15045065), (14, 12895770), (15, 12036052), (20, 9027039), (21, 8597180), (28, 6447885), (30, 6018026), (35, 5158308), (42, 4298590), (60, 3009013), (70, 2579154), (84, 2149295), (105, 1719436), (140, 1289577), (210, 859718), (409, 441420), (420, 429859), (818, 220710), (1051, 171780), (1227, 147140), (1636, 110355), (2045, 88284), (2102, 85890), (2454, 73570), (2863, 63060), (3153, 57260), (4090, 44142), (4204, 42945), (4908, 36785), (5255, 34356), (5726, 31530), (6135, 29428), (6306, 28630), (7357, 24540), (8180, 22071), (8589, 21020), (10510, 17178), (11452, 15765), (12270, 14714), (12612, 14315)]