127931220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{8563}}^1$

素因数の和:8661

約数の個数: 72

約数和(自身を含む): 392779296

約数和(自身を除く): 264848076

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, 8563, 14940, 17126, 25689, 34252, 42815, 51378, 77067, 85630, 102756, 128445, 154134, 171260, 256890, 308268, 385335, 513780, 710729, 770670, 1421458, 1541340, 2132187, 2842916, 3553645, 4264374, 6396561, 7107290, 8528748, 10660935, 12793122, 14214580, 21321870, 25586244, 31982805, 42643740, 63965610, 127931220]

約数ペア:

[(1, 127931220), (2, 63965610), (3, 42643740), (4, 31982805), (5, 25586244), (6, 21321870), (9, 14214580), (10, 12793122), (12, 10660935), (15, 8528748), (18, 7107290), (20, 6396561), (30, 4264374), (36, 3553645), (45, 2842916), (60, 2132187), (83, 1541340), (90, 1421458), (166, 770670), (180, 710729), (249, 513780), (332, 385335), (415, 308268), (498, 256890), (747, 171260), (830, 154134), (996, 128445), (1245, 102756), (1494, 85630), (1660, 77067), (2490, 51378), (2988, 42815), (3735, 34252), (4980, 25689), (7470, 17126), (8563, 14940)]