21811200

素因数分解:

$2^{12}\times 3^1\times 5^2\times {\mathrm{71}}^1$

素因数の和:108

約数の個数: 156

約数和(自身を含む): 73129248

約数和(自身を除く): 51318048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 71, 75, 80, 96, 100, 120, 128, 142, 150, 160, 192, 200, 213, 240, 256, 284, 300, 320, 355, 384, 400, 426, 480, 512, 568, 600, 640, 710, 768, 800, 852, 960, 1024, 1065, 1136, 1200, 1280, 1420, 1536, 1600, 1704, 1775, 1920, 2048, 2130, 2272, 2400, 2560, 2840, 3072, 3200, 3408, 3550, 3840, 4096, 4260, 4544, 4800, 5120, 5325, 5680, 6144, 6400, 6816, 7100, 7680, 8520, 9088, 9600, 10240, 10650, 11360, 12288, 12800, 13632, 14200, 15360, 17040, 18176, 19200, 20480, 21300, 22720, 25600, 27264, 28400, 30720, 34080, 36352, 38400, 42600, 45440, 51200, 54528, 56800, 61440, 68160, 72704, 76800, 85200, 90880, 102400, 109056, 113600, 136320, 145408, 153600, 170400, 181760, 218112, 227200, 272640, 290816, 307200, 340800, 363520, 436224, 454400, 545280, 681600, 727040, 872448, 908800, 1090560, 1363200, 1454080, 1817600, 2181120, 2726400, 3635200, 4362240, 5452800, 7270400, 10905600, 21811200]

約数ペア:

[(1, 21811200), (2, 10905600), (3, 7270400), (4, 5452800), (5, 4362240), (6, 3635200), (8, 2726400), (10, 2181120), (12, 1817600), (15, 1454080), (16, 1363200), (20, 1090560), (24, 908800), (25, 872448), (30, 727040), (32, 681600), (40, 545280), (48, 454400), (50, 436224), (60, 363520), (64, 340800), (71, 307200), (75, 290816), (80, 272640), (96, 227200), (100, 218112), (120, 181760), (128, 170400), (142, 153600), (150, 145408), (160, 136320), (192, 113600), (200, 109056), (213, 102400), (240, 90880), (256, 85200), (284, 76800), (300, 72704), (320, 68160), (355, 61440), (384, 56800), (400, 54528), (426, 51200), (480, 45440), (512, 42600), (568, 38400), (600, 36352), (640, 34080), (710, 30720), (768, 28400), (800, 27264), (852, 25600), (960, 22720), (1024, 21300), (1065, 20480), (1136, 19200), (1200, 18176), (1280, 17040), (1420, 15360), (1536, 14200), (1600, 13632), (1704, 12800), (1775, 12288), (1920, 11360), (2048, 10650), (2130, 10240), (2272, 9600), (2400, 9088), (2560, 8520), (2840, 7680), (3072, 7100), (3200, 6816), (3408, 6400), (3550, 6144), (3840, 5680), (4096, 5325), (4260, 5120), (4544, 4800)]