28557960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13999}}^1$

素因数の和:14030

約数の個数: 64

約数和(自身を含む): 90720000

約数和(自身を除く): 62162040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 13999, 27998, 41997, 55996, 69995, 83994, 111992, 139990, 167988, 209985, 237983, 279980, 335976, 419970, 475966, 559960, 713949, 839940, 951932, 1189915, 1427898, 1679880, 1903864, 2379830, 2855796, 3569745, 4759660, 5711592, 7139490, 9519320, 14278980, 28557960]

約数ペア:

[(1, 28557960), (2, 14278980), (3, 9519320), (4, 7139490), (5, 5711592), (6, 4759660), (8, 3569745), (10, 2855796), (12, 2379830), (15, 1903864), (17, 1679880), (20, 1427898), (24, 1189915), (30, 951932), (34, 839940), (40, 713949), (51, 559960), (60, 475966), (68, 419970), (85, 335976), (102, 279980), (120, 237983), (136, 209985), (170, 167988), (204, 139990), (255, 111992), (340, 83994), (408, 69995), (510, 55996), (680, 41997), (1020, 27998), (2040, 13999)]