18870000

素因数分解:

$2^4\times 3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:85

約数の個数: 200

約数和(自身を含む): 66241296

約数和(自身を除く): 47371296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 34, 37, 40, 48, 50, 51, 60, 68, 74, 75, 80, 85, 100, 102, 111, 120, 125, 136, 148, 150, 170, 185, 200, 204, 222, 240, 250, 255, 272, 296, 300, 340, 370, 375, 400, 408, 425, 444, 500, 510, 555, 592, 600, 625, 629, 680, 740, 750, 816, 850, 888, 925, 1000, 1020, 1110, 1200, 1250, 1258, 1275, 1360, 1480, 1500, 1700, 1776, 1850, 1875, 1887, 2000, 2040, 2125, 2220, 2500, 2516, 2550, 2775, 2960, 3000, 3145, 3400, 3700, 3750, 3774, 4080, 4250, 4440, 4625, 5000, 5032, 5100, 5550, 6000, 6290, 6375, 6800, 7400, 7500, 7548, 8500, 8880, 9250, 9435, 10000, 10064, 10200, 10625, 11100, 12580, 12750, 13875, 14800, 15000, 15096, 15725, 17000, 18500, 18870, 20400, 21250, 22200, 23125, 25160, 25500, 27750, 30000, 30192, 31450, 31875, 34000, 37000, 37740, 42500, 44400, 46250, 47175, 50320, 51000, 55500, 62900, 63750, 69375, 74000, 75480, 78625, 85000, 92500, 94350, 102000, 111000, 125800, 127500, 138750, 150960, 157250, 170000, 185000, 188700, 222000, 235875, 251600, 255000, 277500, 314500, 370000, 377400, 393125, 471750, 510000, 555000, 629000, 754800, 786250, 943500, 1110000, 1179375, 1258000, 1572500, 1887000, 2358750, 3145000, 3774000, 4717500, 6290000, 9435000, 18870000]

約数ペア:

[(1, 18870000), (2, 9435000), (3, 6290000), (4, 4717500), (5, 3774000), (6, 3145000), (8, 2358750), (10, 1887000), (12, 1572500), (15, 1258000), (16, 1179375), (17, 1110000), (20, 943500), (24, 786250), (25, 754800), (30, 629000), (34, 555000), (37, 510000), (40, 471750), (48, 393125), (50, 377400), (51, 370000), (60, 314500), (68, 277500), (74, 255000), (75, 251600), (80, 235875), (85, 222000), (100, 188700), (102, 185000), (111, 170000), (120, 157250), (125, 150960), (136, 138750), (148, 127500), (150, 125800), (170, 111000), (185, 102000), (200, 94350), (204, 92500), (222, 85000), (240, 78625), (250, 75480), (255, 74000), (272, 69375), (296, 63750), (300, 62900), (340, 55500), (370, 51000), (375, 50320), (400, 47175), (408, 46250), (425, 44400), (444, 42500), (500, 37740), (510, 37000), (555, 34000), (592, 31875), (600, 31450), (625, 30192), (629, 30000), (680, 27750), (740, 25500), (750, 25160), (816, 23125), (850, 22200), (888, 21250), (925, 20400), (1000, 18870), (1020, 18500), (1110, 17000), (1200, 15725), (1250, 15096), (1258, 15000), (1275, 14800), (1360, 13875), (1480, 12750), (1500, 12580), (1700, 11100), (1776, 10625), (1850, 10200), (1875, 10064), (1887, 10000), (2000, 9435), (2040, 9250), (2125, 8880), (2220, 8500), (2500, 7548), (2516, 7500), (2550, 7400), (2775, 6800), (2960, 6375), (3000, 6290), (3145, 6000), (3400, 5550), (3700, 5100), (3750, 5032), (3774, 5000), (4080, 4625), (4250, 4440)]