18678900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 59371200

約数和(自身を除く): 40692300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 29, 30, 38, 50, 57, 58, 60, 75, 76, 87, 95, 100, 113, 114, 116, 145, 150, 174, 190, 226, 228, 285, 290, 300, 339, 348, 380, 435, 452, 475, 551, 565, 570, 580, 678, 725, 870, 950, 1102, 1130, 1140, 1356, 1425, 1450, 1653, 1695, 1740, 1900, 2147, 2175, 2204, 2260, 2755, 2825, 2850, 2900, 3277, 3306, 3390, 4294, 4350, 5510, 5650, 5700, 6441, 6554, 6612, 6780, 8265, 8475, 8588, 8700, 9831, 10735, 11020, 11300, 12882, 13108, 13775, 16385, 16530, 16950, 19662, 21470, 25764, 27550, 32205, 32770, 33060, 33900, 39324, 41325, 42940, 49155, 53675, 55100, 62263, 64410, 65540, 81925, 82650, 98310, 107350, 124526, 128820, 161025, 163850, 165300, 186789, 196620, 214700, 245775, 249052, 311315, 322050, 327700, 373578, 491550, 622630, 644100, 747156, 933945, 983100, 1245260, 1556575, 1867890, 3113150, 3735780, 4669725, 6226300, 9339450, 18678900]

約数ペア:

[(1, 18678900), (2, 9339450), (3, 6226300), (4, 4669725), (5, 3735780), (6, 3113150), (10, 1867890), (12, 1556575), (15, 1245260), (19, 983100), (20, 933945), (25, 747156), (29, 644100), (30, 622630), (38, 491550), (50, 373578), (57, 327700), (58, 322050), (60, 311315), (75, 249052), (76, 245775), (87, 214700), (95, 196620), (100, 186789), (113, 165300), (114, 163850), (116, 161025), (145, 128820), (150, 124526), (174, 107350), (190, 98310), (226, 82650), (228, 81925), (285, 65540), (290, 64410), (300, 62263), (339, 55100), (348, 53675), (380, 49155), (435, 42940), (452, 41325), (475, 39324), (551, 33900), (565, 33060), (570, 32770), (580, 32205), (678, 27550), (725, 25764), (870, 21470), (950, 19662), (1102, 16950), (1130, 16530), (1140, 16385), (1356, 13775), (1425, 13108), (1450, 12882), (1653, 11300), (1695, 11020), (1740, 10735), (1900, 9831), (2147, 8700), (2175, 8588), (2204, 8475), (2260, 8265), (2755, 6780), (2825, 6612), (2850, 6554), (2900, 6441), (3277, 5700), (3306, 5650), (3390, 5510), (4294, 4350)]