22220800

素因数分解:

$2^{12}\times 5^2\times 7^1\times {\mathrm{31}}^1$

素因数の和:72

約数の個数: 156

約数和(自身を含む): 65003776

約数和(自身を除く): 42782976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 64, 70, 80, 100, 112, 124, 128, 140, 155, 160, 175, 200, 217, 224, 248, 256, 280, 310, 320, 350, 400, 434, 448, 496, 512, 560, 620, 640, 700, 775, 800, 868, 896, 992, 1024, 1085, 1120, 1240, 1280, 1400, 1550, 1600, 1736, 1792, 1984, 2048, 2170, 2240, 2480, 2560, 2800, 3100, 3200, 3472, 3584, 3968, 4096, 4340, 4480, 4960, 5120, 5425, 5600, 6200, 6400, 6944, 7168, 7936, 8680, 8960, 9920, 10240, 10850, 11200, 12400, 12800, 13888, 14336, 15872, 17360, 17920, 19840, 20480, 21700, 22400, 24800, 25600, 27776, 28672, 31744, 34720, 35840, 39680, 43400, 44800, 49600, 51200, 55552, 63488, 69440, 71680, 79360, 86800, 89600, 99200, 102400, 111104, 126976, 138880, 143360, 158720, 173600, 179200, 198400, 222208, 277760, 317440, 347200, 358400, 396800, 444416, 555520, 634880, 694400, 716800, 793600, 888832, 1111040, 1388800, 1587200, 2222080, 2777600, 3174400, 4444160, 5555200, 11110400, 22220800]

約数ペア:

[(1, 22220800), (2, 11110400), (4, 5555200), (5, 4444160), (7, 3174400), (8, 2777600), (10, 2222080), (14, 1587200), (16, 1388800), (20, 1111040), (25, 888832), (28, 793600), (31, 716800), (32, 694400), (35, 634880), (40, 555520), (50, 444416), (56, 396800), (62, 358400), (64, 347200), (70, 317440), (80, 277760), (100, 222208), (112, 198400), (124, 179200), (128, 173600), (140, 158720), (155, 143360), (160, 138880), (175, 126976), (200, 111104), (217, 102400), (224, 99200), (248, 89600), (256, 86800), (280, 79360), (310, 71680), (320, 69440), (350, 63488), (400, 55552), (434, 51200), (448, 49600), (496, 44800), (512, 43400), (560, 39680), (620, 35840), (640, 34720), (700, 31744), (775, 28672), (800, 27776), (868, 25600), (896, 24800), (992, 22400), (1024, 21700), (1085, 20480), (1120, 19840), (1240, 17920), (1280, 17360), (1400, 15872), (1550, 14336), (1600, 13888), (1736, 12800), (1792, 12400), (1984, 11200), (2048, 10850), (2170, 10240), (2240, 9920), (2480, 8960), (2560, 8680), (2800, 7936), (3100, 7168), (3200, 6944), (3472, 6400), (3584, 6200), (3968, 5600), (4096, 5425), (4340, 5120), (4480, 4960)]