180543320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{12503}}^1$

素因数の和:12552

約数の個数: 48

約数和(自身を含む): 428762160

約数和(自身を除く): 248218840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 7220, 12503, 14440, 25006, 50012, 62515, 100024, 125030, 237557, 250060, 475114, 500120, 950228, 1187785, 1900456, 2375570, 4513583, 4751140, 9027166, 9502280, 18054332, 22567915, 36108664, 45135830, 90271660, 180543320]

約数ペア:

[(1, 180543320), (2, 90271660), (4, 45135830), (5, 36108664), (8, 22567915), (10, 18054332), (19, 9502280), (20, 9027166), (38, 4751140), (40, 4513583), (76, 2375570), (95, 1900456), (152, 1187785), (190, 950228), (361, 500120), (380, 475114), (722, 250060), (760, 237557), (1444, 125030), (1805, 100024), (2888, 62515), (3610, 50012), (7220, 25006), (12503, 14440)]