1231200

素因数分解:

$2^5\times 3^4\times 5^2\times {\mathrm{19}}^1$

素因数の和:51

約数の個数: 180

約数和(自身を含む): 4726260

約数和(自身を除く): 3495060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 27, 30, 32, 36, 38, 40, 45, 48, 50, 54, 57, 60, 72, 75, 76, 80, 81, 90, 95, 96, 100, 108, 114, 120, 135, 144, 150, 152, 160, 162, 171, 180, 190, 200, 216, 225, 228, 240, 270, 285, 288, 300, 304, 324, 342, 360, 380, 400, 405, 432, 450, 456, 475, 480, 513, 540, 570, 600, 608, 648, 675, 684, 720, 760, 800, 810, 855, 864, 900, 912, 950, 1026, 1080, 1140, 1200, 1296, 1350, 1368, 1425, 1440, 1520, 1539, 1620, 1710, 1800, 1824, 1900, 2025, 2052, 2160, 2280, 2400, 2565, 2592, 2700, 2736, 2850, 3040, 3078, 3240, 3420, 3600, 3800, 4050, 4104, 4275, 4320, 4560, 5130, 5400, 5472, 5700, 6156, 6480, 6840, 7200, 7600, 7695, 8100, 8208, 8550, 9120, 10260, 10800, 11400, 12312, 12825, 12960, 13680, 15200, 15390, 16200, 16416, 17100, 20520, 21600, 22800, 24624, 25650, 27360, 30780, 32400, 34200, 38475, 41040, 45600, 49248, 51300, 61560, 64800, 68400, 76950, 82080, 102600, 123120, 136800, 153900, 205200, 246240, 307800, 410400, 615600, 1231200]

約数ペア:

[(1, 1231200), (2, 615600), (3, 410400), (4, 307800), (5, 246240), (6, 205200), (8, 153900), (9, 136800), (10, 123120), (12, 102600), (15, 82080), (16, 76950), (18, 68400), (19, 64800), (20, 61560), (24, 51300), (25, 49248), (27, 45600), (30, 41040), (32, 38475), (36, 34200), (38, 32400), (40, 30780), (45, 27360), (48, 25650), (50, 24624), (54, 22800), (57, 21600), (60, 20520), (72, 17100), (75, 16416), (76, 16200), (80, 15390), (81, 15200), (90, 13680), (95, 12960), (96, 12825), (100, 12312), (108, 11400), (114, 10800), (120, 10260), (135, 9120), (144, 8550), (150, 8208), (152, 8100), (160, 7695), (162, 7600), (171, 7200), (180, 6840), (190, 6480), (200, 6156), (216, 5700), (225, 5472), (228, 5400), (240, 5130), (270, 4560), (285, 4320), (288, 4275), (300, 4104), (304, 4050), (324, 3800), (342, 3600), (360, 3420), (380, 3240), (400, 3078), (405, 3040), (432, 2850), (450, 2736), (456, 2700), (475, 2592), (480, 2565), (513, 2400), (540, 2280), (570, 2160), (600, 2052), (608, 2025), (648, 1900), (675, 1824), (684, 1800), (720, 1710), (760, 1620), (800, 1539), (810, 1520), (855, 1440), (864, 1425), (900, 1368), (912, 1350), (950, 1296), (1026, 1200), (1080, 1140)]