21985200

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:252

約数の個数: 180

約数和(自身を含む): 79155648

約数和(自身を除く): 57170448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 31, 36, 40, 45, 48, 50, 60, 62, 72, 75, 80, 90, 93, 100, 120, 124, 144, 150, 155, 180, 186, 197, 200, 225, 240, 248, 279, 300, 310, 360, 372, 394, 400, 450, 465, 496, 558, 591, 600, 620, 720, 744, 775, 788, 900, 930, 985, 1116, 1182, 1200, 1240, 1395, 1488, 1550, 1576, 1773, 1800, 1860, 1970, 2232, 2325, 2364, 2480, 2790, 2955, 3100, 3152, 3546, 3600, 3720, 3940, 4464, 4650, 4728, 4925, 5580, 5910, 6107, 6200, 6975, 7092, 7440, 7880, 8865, 9300, 9456, 9850, 11160, 11820, 12214, 12400, 13950, 14184, 14775, 15760, 17730, 18321, 18600, 19700, 22320, 23640, 24428, 27900, 28368, 29550, 30535, 35460, 36642, 37200, 39400, 44325, 47280, 48856, 54963, 55800, 59100, 61070, 70920, 73284, 78800, 88650, 91605, 97712, 109926, 111600, 118200, 122140, 141840, 146568, 152675, 177300, 183210, 219852, 236400, 244280, 274815, 293136, 305350, 354600, 366420, 439704, 458025, 488560, 549630, 610700, 709200, 732840, 879408, 916050, 1099260, 1221400, 1374075, 1465680, 1832100, 2198520, 2442800, 2748150, 3664200, 4397040, 5496300, 7328400, 10992600, 21985200]

約数ペア:

[(1, 21985200), (2, 10992600), (3, 7328400), (4, 5496300), (5, 4397040), (6, 3664200), (8, 2748150), (9, 2442800), (10, 2198520), (12, 1832100), (15, 1465680), (16, 1374075), (18, 1221400), (20, 1099260), (24, 916050), (25, 879408), (30, 732840), (31, 709200), (36, 610700), (40, 549630), (45, 488560), (48, 458025), (50, 439704), (60, 366420), (62, 354600), (72, 305350), (75, 293136), (80, 274815), (90, 244280), (93, 236400), (100, 219852), (120, 183210), (124, 177300), (144, 152675), (150, 146568), (155, 141840), (180, 122140), (186, 118200), (197, 111600), (200, 109926), (225, 97712), (240, 91605), (248, 88650), (279, 78800), (300, 73284), (310, 70920), (360, 61070), (372, 59100), (394, 55800), (400, 54963), (450, 48856), (465, 47280), (496, 44325), (558, 39400), (591, 37200), (600, 36642), (620, 35460), (720, 30535), (744, 29550), (775, 28368), (788, 27900), (900, 24428), (930, 23640), (985, 22320), (1116, 19700), (1182, 18600), (1200, 18321), (1240, 17730), (1395, 15760), (1488, 14775), (1550, 14184), (1576, 13950), (1773, 12400), (1800, 12214), (1860, 11820), (1970, 11160), (2232, 9850), (2325, 9456), (2364, 9300), (2480, 8865), (2790, 7880), (2955, 7440), (3100, 7092), (3152, 6975), (3546, 6200), (3600, 6107), (3720, 5910), (3940, 5580), (4464, 4925), (4650, 4728)]