12870180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{563}}^1$

素因数の和:705

約数の個数: 72

約数和(自身を含む): 39416832

約数和(自身を除く): 26546652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 563, 635, 762, 1126, 1143, 1270, 1524, 1689, 1905, 2252, 2286, 2540, 2815, 3378, 3810, 4572, 5067, 5630, 5715, 6756, 7620, 8445, 10134, 11260, 11430, 16890, 20268, 22860, 25335, 33780, 50670, 71501, 101340, 143002, 214503, 286004, 357505, 429006, 643509, 715010, 858012, 1072515, 1287018, 1430020, 2145030, 2574036, 3217545, 4290060, 6435090, 12870180]

約数ペア:

[(1, 12870180), (2, 6435090), (3, 4290060), (4, 3217545), (5, 2574036), (6, 2145030), (9, 1430020), (10, 1287018), (12, 1072515), (15, 858012), (18, 715010), (20, 643509), (30, 429006), (36, 357505), (45, 286004), (60, 214503), (90, 143002), (127, 101340), (180, 71501), (254, 50670), (381, 33780), (508, 25335), (563, 22860), (635, 20268), (762, 16890), (1126, 11430), (1143, 11260), (1270, 10134), (1524, 8445), (1689, 7620), (1905, 6756), (2252, 5715), (2286, 5630), (2540, 5067), (2815, 4572), (3378, 3810)]