209581920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{145543}}^1$

素因数の和:145564

約数の個数: 72

約数和(自身を含む): 715203216

約数和(自身を除く): 505621296

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 145543, 291086, 436629, 582172, 727715, 873258, 1164344, 1309887, 1455430, 1746516, 2183145, 2328688, 2619774, 2910860, 3493032, 4366290, 4657376, 5239548, 5821720, 6549435, 6986064, 8732580, 10479096, 11643440, 13098870, 13972128, 17465160, 20958192, 23286880, 26197740, 34930320, 41916384, 52395480, 69860640, 104790960, 209581920]

約数ペア:

[(1, 209581920), (2, 104790960), (3, 69860640), (4, 52395480), (5, 41916384), (6, 34930320), (8, 26197740), (9, 23286880), (10, 20958192), (12, 17465160), (15, 13972128), (16, 13098870), (18, 11643440), (20, 10479096), (24, 8732580), (30, 6986064), (32, 6549435), (36, 5821720), (40, 5239548), (45, 4657376), (48, 4366290), (60, 3493032), (72, 2910860), (80, 2619774), (90, 2328688), (96, 2183145), (120, 1746516), (144, 1455430), (160, 1309887), (180, 1164344), (240, 873258), (288, 727715), (360, 582172), (480, 436629), (720, 291086), (1440, 145543)]