4721920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:76

約数の個数: 144

約数和(自身を含む): 14128128

約数和(自身を除く): 9406208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 32, 34, 35, 40, 56, 62, 64, 68, 70, 80, 85, 112, 119, 124, 128, 136, 140, 155, 160, 170, 217, 224, 238, 248, 256, 272, 280, 310, 320, 340, 434, 448, 476, 496, 527, 544, 560, 595, 620, 640, 680, 868, 896, 952, 992, 1054, 1085, 1088, 1120, 1190, 1240, 1280, 1360, 1736, 1792, 1904, 1984, 2108, 2170, 2176, 2240, 2380, 2480, 2635, 2720, 3472, 3689, 3808, 3968, 4216, 4340, 4352, 4480, 4760, 4960, 5270, 5440, 6944, 7378, 7616, 7936, 8432, 8680, 8960, 9520, 9920, 10540, 10880, 13888, 14756, 15232, 16864, 17360, 18445, 19040, 19840, 21080, 21760, 27776, 29512, 30464, 33728, 34720, 36890, 38080, 39680, 42160, 55552, 59024, 67456, 69440, 73780, 76160, 84320, 118048, 134912, 138880, 147560, 152320, 168640, 236096, 277760, 295120, 337280, 472192, 590240, 674560, 944384, 1180480, 2360960, 4721920]

約数ペア:

[(1, 4721920), (2, 2360960), (4, 1180480), (5, 944384), (7, 674560), (8, 590240), (10, 472192), (14, 337280), (16, 295120), (17, 277760), (20, 236096), (28, 168640), (31, 152320), (32, 147560), (34, 138880), (35, 134912), (40, 118048), (56, 84320), (62, 76160), (64, 73780), (68, 69440), (70, 67456), (80, 59024), (85, 55552), (112, 42160), (119, 39680), (124, 38080), (128, 36890), (136, 34720), (140, 33728), (155, 30464), (160, 29512), (170, 27776), (217, 21760), (224, 21080), (238, 19840), (248, 19040), (256, 18445), (272, 17360), (280, 16864), (310, 15232), (320, 14756), (340, 13888), (434, 10880), (448, 10540), (476, 9920), (496, 9520), (527, 8960), (544, 8680), (560, 8432), (595, 7936), (620, 7616), (640, 7378), (680, 6944), (868, 5440), (896, 5270), (952, 4960), (992, 4760), (1054, 4480), (1085, 4352), (1088, 4340), (1120, 4216), (1190, 3968), (1240, 3808), (1280, 3689), (1360, 3472), (1736, 2720), (1792, 2635), (1904, 2480), (1984, 2380), (2108, 2240), (2170, 2176)]