1639200360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1951429}}^1$

素因数の和:1951450

約数の個数: 64

約数和(自身を含む): 5620118400

約数和(自身を除く): 3980918040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1951429, 3902858, 5854287, 7805716, 9757145, 11708574, 13660003, 15611432, 19514290, 23417148, 27320006, 29271435, 39028580, 40980009, 46834296, 54640012, 58542870, 68300015, 78057160, 81960018, 109280024, 117085740, 136600030, 163920036, 204900045, 234171480, 273200060, 327840072, 409800090, 546400120, 819600180, 1639200360]

約数ペア:

[(1, 1639200360), (2, 819600180), (3, 546400120), (4, 409800090), (5, 327840072), (6, 273200060), (7, 234171480), (8, 204900045), (10, 163920036), (12, 136600030), (14, 117085740), (15, 109280024), (20, 81960018), (21, 78057160), (24, 68300015), (28, 58542870), (30, 54640012), (35, 46834296), (40, 40980009), (42, 39028580), (56, 29271435), (60, 27320006), (70, 23417148), (84, 19514290), (105, 15611432), (120, 13660003), (140, 11708574), (168, 9757145), (210, 7805716), (280, 5854287), (420, 3902858), (840, 1951429)]