20990198400

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{719}}^1\times {\mathrm{3041}}^1$

素因数の和:3787

約数の個数: 192

約数和(自身を含む): 69255388800

約数和(自身を除く): 48265190400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 300, 320, 384, 400, 480, 600, 640, 719, 800, 960, 1200, 1438, 1600, 1920, 2157, 2400, 2876, 3041, 3200, 3595, 4314, 4800, 5752, 6082, 7190, 8628, 9123, 9600, 10785, 11504, 12164, 14380, 15205, 17256, 17975, 18246, 21570, 23008, 24328, 28760, 30410, 34512, 35950, 36492, 43140, 45615, 46016, 48656, 53925, 57520, 60820, 69024, 71900, 72984, 76025, 86280, 91230, 92032, 97312, 107850, 115040, 121640, 138048, 143800, 145968, 152050, 172560, 182460, 194624, 215700, 228075, 230080, 243280, 276096, 287600, 291936, 304100, 345120, 364920, 389248, 431400, 456150, 460160, 486560, 575200, 583872, 608200, 690240, 729840, 862800, 912300, 973120, 1150400, 1167744, 1216400, 1380480, 1459680, 1725600, 1824600, 1946240, 2186479, 2300800, 2432800, 2919360, 3451200, 3649200, 4372958, 4865600, 5838720, 6559437, 6902400, 7298400, 8745916, 9731200, 10932395, 13118874, 14596800, 17491832, 21864790, 26237748, 29193600, 32797185, 34983664, 43729580, 52475496, 54661975, 65594370, 69967328, 87459160, 104950992, 109323950, 131188740, 139934656, 163985925, 174918320, 209901984, 218647900, 262377480, 279869312, 327971850, 349836640, 419803968, 437295800, 524754960, 655943700, 699673280, 839607936, 874591600, 1049509920, 1311887400, 1399346560, 1749183200, 2099019840, 2623774800, 3498366400, 4198039680, 5247549600, 6996732800, 10495099200, 20990198400]

約数ペア:

[(1, 20990198400), (2, 10495099200), (3, 6996732800), (4, 5247549600), (5, 4198039680), (6, 3498366400), (8, 2623774800), (10, 2099019840), (12, 1749183200), (15, 1399346560), (16, 1311887400), (20, 1049509920), (24, 874591600), (25, 839607936), (30, 699673280), (32, 655943700), (40, 524754960), (48, 437295800), (50, 419803968), (60, 349836640), (64, 327971850), (75, 279869312), (80, 262377480), (96, 218647900), (100, 209901984), (120, 174918320), (128, 163985925), (150, 139934656), (160, 131188740), (192, 109323950), (200, 104950992), (240, 87459160), (300, 69967328), (320, 65594370), (384, 54661975), (400, 52475496), (480, 43729580), (600, 34983664), (640, 32797185), (719, 29193600), (800, 26237748), (960, 21864790), (1200, 17491832), (1438, 14596800), (1600, 13118874), (1920, 10932395), (2157, 9731200), (2400, 8745916), (2876, 7298400), (3041, 6902400), (3200, 6559437), (3595, 5838720), (4314, 4865600), (4800, 4372958), (5752, 3649200), (6082, 3451200), (7190, 2919360), (8628, 2432800), (9123, 2300800), (9600, 2186479), (10785, 1946240), (11504, 1824600), (12164, 1725600), (14380, 1459680), (15205, 1380480), (17256, 1216400), (17975, 1167744), (18246, 1150400), (21570, 973120), (23008, 912300), (24328, 862800), (28760, 729840), (30410, 690240), (34512, 608200), (35950, 583872), (36492, 575200), (43140, 486560), (45615, 460160), (46016, 456150), (48656, 431400), (53925, 389248), (57520, 364920), (60820, 345120), (69024, 304100), (71900, 291936), (72984, 287600), (76025, 276096), (86280, 243280), (91230, 230080), (92032, 228075), (97312, 215700), (107850, 194624), (115040, 182460), (121640, 172560), (138048, 152050), (143800, 145968)]