12420457740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{141689}}^1$

素因数の和:142191

約数の個数: 72

約数和(自身を含む): 37753017120

約数和(自身を除く): 25332559380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 487, 974, 1461, 1948, 2435, 2922, 4383, 4870, 5844, 7305, 8766, 9740, 14610, 17532, 21915, 29220, 43830, 87660, 141689, 283378, 425067, 566756, 708445, 850134, 1275201, 1416890, 1700268, 2125335, 2550402, 2833780, 4250670, 5100804, 6376005, 8501340, 12752010, 25504020, 69002543, 138005086, 207007629, 276010172, 345012715, 414015258, 621022887, 690025430, 828030516, 1035038145, 1242045774, 1380050860, 2070076290, 2484091548, 3105114435, 4140152580, 6210228870, 12420457740]

約数ペア:

[(1, 12420457740), (2, 6210228870), (3, 4140152580), (4, 3105114435), (5, 2484091548), (6, 2070076290), (9, 1380050860), (10, 1242045774), (12, 1035038145), (15, 828030516), (18, 690025430), (20, 621022887), (30, 414015258), (36, 345012715), (45, 276010172), (60, 207007629), (90, 138005086), (180, 69002543), (487, 25504020), (974, 12752010), (1461, 8501340), (1948, 6376005), (2435, 5100804), (2922, 4250670), (4383, 2833780), (4870, 2550402), (5844, 2125335), (7305, 1700268), (8766, 1416890), (9740, 1275201), (14610, 850134), (17532, 708445), (21915, 566756), (29220, 425067), (43830, 283378), (87660, 141689)]