18017700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:174

約数の個数: 144

約数和(自身を含む): 57288000

約数和(自身を除く): 39270300

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, 109, 114, 116, 145, 150, 174, 190, 218, 228, 285, 290, 300, 327, 348, 380, 435, 436, 475, 545, 551, 570, 580, 654, 725, 870, 950, 1090, 1102, 1140, 1308, 1425, 1450, 1635, 1653, 1740, 1900, 2071, 2175, 2180, 2204, 2725, 2755, 2850, 2900, 3161, 3270, 3306, 4142, 4350, 5450, 5510, 5700, 6213, 6322, 6540, 6612, 8175, 8265, 8284, 8700, 9483, 10355, 10900, 11020, 12426, 12644, 13775, 15805, 16350, 16530, 18966, 20710, 24852, 27550, 31065, 31610, 32700, 33060, 37932, 41325, 41420, 47415, 51775, 55100, 60059, 62130, 63220, 79025, 82650, 94830, 103550, 120118, 124260, 155325, 158050, 165300, 180177, 189660, 207100, 237075, 240236, 300295, 310650, 316100, 360354, 474150, 600590, 621300, 720708, 900885, 948300, 1201180, 1501475, 1801770, 3002950, 3603540, 4504425, 6005900, 9008850, 18017700]

約数ペア:

[(1, 18017700), (2, 9008850), (3, 6005900), (4, 4504425), (5, 3603540), (6, 3002950), (10, 1801770), (12, 1501475), (15, 1201180), (19, 948300), (20, 900885), (25, 720708), (29, 621300), (30, 600590), (38, 474150), (50, 360354), (57, 316100), (58, 310650), (60, 300295), (75, 240236), (76, 237075), (87, 207100), (95, 189660), (100, 180177), (109, 165300), (114, 158050), (116, 155325), (145, 124260), (150, 120118), (174, 103550), (190, 94830), (218, 82650), (228, 79025), (285, 63220), (290, 62130), (300, 60059), (327, 55100), (348, 51775), (380, 47415), (435, 41420), (436, 41325), (475, 37932), (545, 33060), (551, 32700), (570, 31610), (580, 31065), (654, 27550), (725, 24852), (870, 20710), (950, 18966), (1090, 16530), (1102, 16350), (1140, 15805), (1308, 13775), (1425, 12644), (1450, 12426), (1635, 11020), (1653, 10900), (1740, 10355), (1900, 9483), (2071, 8700), (2175, 8284), (2180, 8265), (2204, 8175), (2725, 6612), (2755, 6540), (2850, 6322), (2900, 6213), (3161, 5700), (3270, 5510), (3306, 5450), (4142, 4350)]