19215000

素因数分解:

$2^3\times 3^2\times 5^4\times 7^1\times {\mathrm{61}}^1$

素因数の和:100

約数の個数: 240

約数和(自身を含む): 75538320

約数和(自身を除く): 56323320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 61, 63, 70, 72, 75, 84, 90, 100, 105, 120, 122, 125, 126, 140, 150, 168, 175, 180, 183, 200, 210, 225, 244, 250, 252, 280, 300, 305, 315, 350, 360, 366, 375, 420, 427, 450, 488, 500, 504, 525, 549, 600, 610, 625, 630, 700, 732, 750, 840, 854, 875, 900, 915, 1000, 1050, 1098, 1125, 1220, 1250, 1260, 1281, 1400, 1464, 1500, 1525, 1575, 1708, 1750, 1800, 1830, 1875, 2100, 2135, 2196, 2250, 2440, 2500, 2520, 2562, 2625, 2745, 3000, 3050, 3150, 3416, 3500, 3660, 3750, 3843, 4200, 4270, 4375, 4392, 4500, 4575, 5000, 5124, 5250, 5490, 5625, 6100, 6300, 6405, 7000, 7320, 7500, 7625, 7686, 7875, 8540, 8750, 9000, 9150, 10248, 10500, 10675, 10980, 11250, 12200, 12600, 12810, 13125, 13725, 15000, 15250, 15372, 15750, 17080, 17500, 18300, 19215, 21000, 21350, 21960, 22500, 22875, 25620, 26250, 27450, 30500, 30744, 31500, 32025, 35000, 36600, 38125, 38430, 39375, 42700, 45000, 45750, 51240, 52500, 53375, 54900, 61000, 63000, 64050, 68625, 76250, 76860, 78750, 85400, 91500, 96075, 105000, 106750, 109800, 114375, 128100, 137250, 152500, 153720, 157500, 160125, 183000, 192150, 213500, 228750, 256200, 266875, 274500, 305000, 315000, 320250, 343125, 384300, 427000, 457500, 480375, 533750, 549000, 640500, 686250, 768600, 800625, 915000, 960750, 1067500, 1281000, 1372500, 1601250, 1921500, 2135000, 2401875, 2745000, 3202500, 3843000, 4803750, 6405000, 9607500, 19215000]

約数ペア:

[(1, 19215000), (2, 9607500), (3, 6405000), (4, 4803750), (5, 3843000), (6, 3202500), (7, 2745000), (8, 2401875), (9, 2135000), (10, 1921500), (12, 1601250), (14, 1372500), (15, 1281000), (18, 1067500), (20, 960750), (21, 915000), (24, 800625), (25, 768600), (28, 686250), (30, 640500), (35, 549000), (36, 533750), (40, 480375), (42, 457500), (45, 427000), (50, 384300), (56, 343125), (60, 320250), (61, 315000), (63, 305000), (70, 274500), (72, 266875), (75, 256200), (84, 228750), (90, 213500), (100, 192150), (105, 183000), (120, 160125), (122, 157500), (125, 153720), (126, 152500), (140, 137250), (150, 128100), (168, 114375), (175, 109800), (180, 106750), (183, 105000), (200, 96075), (210, 91500), (225, 85400), (244, 78750), (250, 76860), (252, 76250), (280, 68625), (300, 64050), (305, 63000), (315, 61000), (350, 54900), (360, 53375), (366, 52500), (375, 51240), (420, 45750), (427, 45000), (450, 42700), (488, 39375), (500, 38430), (504, 38125), (525, 36600), (549, 35000), (600, 32025), (610, 31500), (625, 30744), (630, 30500), (700, 27450), (732, 26250), (750, 25620), (840, 22875), (854, 22500), (875, 21960), (900, 21350), (915, 21000), (1000, 19215), (1050, 18300), (1098, 17500), (1125, 17080), (1220, 15750), (1250, 15372), (1260, 15250), (1281, 15000), (1400, 13725), (1464, 13125), (1500, 12810), (1525, 12600), (1575, 12200), (1708, 11250), (1750, 10980), (1800, 10675), (1830, 10500), (1875, 10248), (2100, 9150), (2135, 9000), (2196, 8750), (2250, 8540), (2440, 7875), (2500, 7686), (2520, 7625), (2562, 7500), (2625, 7320), (2745, 7000), (3000, 6405), (3050, 6300), (3150, 6100), (3416, 5625), (3500, 5490), (3660, 5250), (3750, 5124), (3843, 5000), (4200, 4575), (4270, 4500), (4375, 4392)]