400420080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4001}}^1$

素因数の和:4159

約数の個数: 120

約数和(自身を含む): 1354757040

約数和(自身を除く): 954336960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 139, 144, 180, 240, 278, 360, 417, 556, 695, 720, 834, 1112, 1251, 1390, 1668, 2085, 2224, 2502, 2780, 3336, 4001, 4170, 5004, 5560, 6255, 6672, 8002, 8340, 10008, 11120, 12003, 12510, 16004, 16680, 20005, 20016, 24006, 25020, 32008, 33360, 36009, 40010, 48012, 50040, 60015, 64016, 72018, 80020, 96024, 100080, 120030, 144036, 160040, 180045, 192048, 240060, 288072, 320080, 360090, 480120, 556139, 576144, 720180, 960240, 1112278, 1440360, 1668417, 2224556, 2780695, 2880720, 3336834, 4449112, 5005251, 5561390, 6673668, 8342085, 8898224, 10010502, 11122780, 13347336, 16684170, 20021004, 22245560, 25026255, 26694672, 33368340, 40042008, 44491120, 50052510, 66736680, 80084016, 100105020, 133473360, 200210040, 400420080]

約数ペア:

[(1, 400420080), (2, 200210040), (3, 133473360), (4, 100105020), (5, 80084016), (6, 66736680), (8, 50052510), (9, 44491120), (10, 40042008), (12, 33368340), (15, 26694672), (16, 25026255), (18, 22245560), (20, 20021004), (24, 16684170), (30, 13347336), (36, 11122780), (40, 10010502), (45, 8898224), (48, 8342085), (60, 6673668), (72, 5561390), (80, 5005251), (90, 4449112), (120, 3336834), (139, 2880720), (144, 2780695), (180, 2224556), (240, 1668417), (278, 1440360), (360, 1112278), (417, 960240), (556, 720180), (695, 576144), (720, 556139), (834, 480120), (1112, 360090), (1251, 320080), (1390, 288072), (1668, 240060), (2085, 192048), (2224, 180045), (2502, 160040), (2780, 144036), (3336, 120030), (4001, 100080), (4170, 96024), (5004, 80020), (5560, 72018), (6255, 64016), (6672, 60015), (8002, 50040), (8340, 48012), (10008, 40010), (11120, 36009), (12003, 33360), (12510, 32008), (16004, 25020), (16680, 24006), (20005, 20016)]