639030960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{887543}}^1$

素因数の和:887562

約数の個数: 60

約数和(自身を含む): 2146081392

約数和(自身を除く): 1507050432

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, 144, 180, 240, 360, 720, 887543, 1775086, 2662629, 3550172, 4437715, 5325258, 7100344, 7987887, 8875430, 10650516, 13313145, 14200688, 15975774, 17750860, 21301032, 26626290, 31951548, 35501720, 39939435, 42602064, 53252580, 63903096, 71003440, 79878870, 106505160, 127806192, 159757740, 213010320, 319515480, 639030960]

約数ペア:

[(1, 639030960), (2, 319515480), (3, 213010320), (4, 159757740), (5, 127806192), (6, 106505160), (8, 79878870), (9, 71003440), (10, 63903096), (12, 53252580), (15, 42602064), (16, 39939435), (18, 35501720), (20, 31951548), (24, 26626290), (30, 21301032), (36, 17750860), (40, 15975774), (45, 14200688), (48, 13313145), (60, 10650516), (72, 8875430), (80, 7987887), (90, 7100344), (120, 5325258), (144, 4437715), (180, 3550172), (240, 2662629), (360, 1775086), (720, 887543)]