18278146840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1069}}^1\times {\mathrm{13789}}^1$

素因数の和:14900

約数の個数: 64

約数和(自身を含む): 42495264000

約数和(自身を除く): 24217117160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1069, 1240, 2138, 4276, 5345, 8552, 10690, 13789, 21380, 27578, 33139, 42760, 55156, 66278, 68945, 110312, 132556, 137890, 165695, 265112, 275780, 331390, 427459, 551560, 662780, 854918, 1325560, 1709836, 2137295, 3419672, 4274590, 8549180, 14740441, 17098360, 29480882, 58961764, 73702205, 117923528, 147404410, 294808820, 456953671, 589617640, 913907342, 1827814684, 2284768355, 3655629368, 4569536710, 9139073420, 18278146840]

約数ペア:

[(1, 18278146840), (2, 9139073420), (4, 4569536710), (5, 3655629368), (8, 2284768355), (10, 1827814684), (20, 913907342), (31, 589617640), (40, 456953671), (62, 294808820), (124, 147404410), (155, 117923528), (248, 73702205), (310, 58961764), (620, 29480882), (1069, 17098360), (1240, 14740441), (2138, 8549180), (4276, 4274590), (5345, 3419672), (8552, 2137295), (10690, 1709836), (13789, 1325560), (21380, 854918), (27578, 662780), (33139, 551560), (42760, 427459), (55156, 331390), (66278, 275780), (68945, 265112), (110312, 165695), (132556, 137890)]