690627420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{548117}}^1$

素因数の和:548139

約数の個数: 72

約数和(自身を含む): 2394179424

約数和(自身を除く): 1703552004

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 548117, 1096234, 1644351, 2192468, 2740585, 3288702, 3836819, 4933053, 5481170, 6577404, 7673638, 8221755, 9866106, 10962340, 11510457, 15347276, 16443510, 19184095, 19732212, 23020914, 24665265, 32887020, 34531371, 38368190, 46041828, 49330530, 57552285, 69062742, 76736380, 98661060, 115104570, 138125484, 172656855, 230209140, 345313710, 690627420]

約数ペア:

[(1, 690627420), (2, 345313710), (3, 230209140), (4, 172656855), (5, 138125484), (6, 115104570), (7, 98661060), (9, 76736380), (10, 69062742), (12, 57552285), (14, 49330530), (15, 46041828), (18, 38368190), (20, 34531371), (21, 32887020), (28, 24665265), (30, 23020914), (35, 19732212), (36, 19184095), (42, 16443510), (45, 15347276), (60, 11510457), (63, 10962340), (70, 9866106), (84, 8221755), (90, 7673638), (105, 6577404), (126, 5481170), (140, 4933053), (180, 3836819), (210, 3288702), (252, 2740585), (315, 2192468), (420, 1644351), (630, 1096234), (1260, 548117)]