27988380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:348

約数の個数: 144

約数和(自身を含む): 98454720

約数和(自身を除く): 70466340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 97, 105, 126, 140, 180, 194, 210, 229, 252, 291, 315, 388, 420, 458, 485, 582, 630, 679, 687, 873, 916, 970, 1145, 1164, 1260, 1358, 1374, 1455, 1603, 1746, 1940, 2037, 2061, 2290, 2716, 2748, 2910, 3206, 3395, 3435, 3492, 4074, 4122, 4365, 4580, 4809, 5820, 6111, 6412, 6790, 6870, 8015, 8148, 8244, 8730, 9618, 10185, 10305, 12222, 13580, 13740, 14427, 16030, 17460, 19236, 20370, 20610, 22213, 24045, 24444, 28854, 30555, 32060, 40740, 41220, 44426, 48090, 57708, 61110, 66639, 72135, 88852, 96180, 111065, 122220, 133278, 144270, 155491, 199917, 222130, 266556, 288540, 310982, 333195, 399834, 444260, 466473, 621964, 666390, 777455, 799668, 932946, 999585, 1332780, 1399419, 1554910, 1865892, 1999170, 2332365, 2798838, 3109820, 3998340, 4664730, 5597676, 6997095, 9329460, 13994190, 27988380]

約数ペア:

[(1, 27988380), (2, 13994190), (3, 9329460), (4, 6997095), (5, 5597676), (6, 4664730), (7, 3998340), (9, 3109820), (10, 2798838), (12, 2332365), (14, 1999170), (15, 1865892), (18, 1554910), (20, 1399419), (21, 1332780), (28, 999585), (30, 932946), (35, 799668), (36, 777455), (42, 666390), (45, 621964), (60, 466473), (63, 444260), (70, 399834), (84, 333195), (90, 310982), (97, 288540), (105, 266556), (126, 222130), (140, 199917), (180, 155491), (194, 144270), (210, 133278), (229, 122220), (252, 111065), (291, 96180), (315, 88852), (388, 72135), (420, 66639), (458, 61110), (485, 57708), (582, 48090), (630, 44426), (679, 41220), (687, 40740), (873, 32060), (916, 30555), (970, 28854), (1145, 24444), (1164, 24045), (1260, 22213), (1358, 20610), (1374, 20370), (1455, 19236), (1603, 17460), (1746, 16030), (1940, 14427), (2037, 13740), (2061, 13580), (2290, 12222), (2716, 10305), (2748, 10185), (2910, 9618), (3206, 8730), (3395, 8244), (3435, 8148), (3492, 8015), (4074, 6870), (4122, 6790), (4365, 6412), (4580, 6111), (4809, 5820)]