178279020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{11933}}^1$

素因数の和:12031

約数の個数: 72

約数和(自身を含む): 547340976

約数和(自身を除く): 369061956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1494, 1660, 2490, 2988, 3735, 4980, 7470, 11933, 14940, 23866, 35799, 47732, 59665, 71598, 107397, 119330, 143196, 178995, 214794, 238660, 357990, 429588, 536985, 715980, 990439, 1073970, 1980878, 2147940, 2971317, 3961756, 4952195, 5942634, 8913951, 9904390, 11885268, 14856585, 17827902, 19808780, 29713170, 35655804, 44569755, 59426340, 89139510, 178279020]

約数ペア:

[(1, 178279020), (2, 89139510), (3, 59426340), (4, 44569755), (5, 35655804), (6, 29713170), (9, 19808780), (10, 17827902), (12, 14856585), (15, 11885268), (18, 9904390), (20, 8913951), (30, 5942634), (36, 4952195), (45, 3961756), (60, 2971317), (83, 2147940), (90, 1980878), (166, 1073970), (180, 990439), (249, 715980), (332, 536985), (415, 429588), (498, 357990), (747, 238660), (830, 214794), (996, 178995), (1245, 143196), (1494, 119330), (1660, 107397), (2490, 71598), (2988, 59665), (3735, 47732), (4980, 35799), (7470, 23866), (11933, 14940)]