1303999360

素因数分解:

$2^7\times 5^1\times {\mathrm{631}}^1\times {\mathrm{3229}}^1$

素因数の和:3879

約数の個数: 64

約数和(自身を含む): 3123280800

約数和(自身を除く): 1819281440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 631, 640, 1262, 2524, 3155, 3229, 5048, 6310, 6458, 10096, 12620, 12916, 16145, 20192, 25240, 25832, 32290, 40384, 50480, 51664, 64580, 80768, 100960, 103328, 129160, 201920, 206656, 258320, 403840, 413312, 516640, 1033280, 2037499, 2066560, 4074998, 8149996, 10187495, 16299992, 20374990, 32599984, 40749980, 65199968, 81499960, 130399936, 162999920, 260799872, 325999840, 651999680, 1303999360]

約数ペア:

[(1, 1303999360), (2, 651999680), (4, 325999840), (5, 260799872), (8, 162999920), (10, 130399936), (16, 81499960), (20, 65199968), (32, 40749980), (40, 32599984), (64, 20374990), (80, 16299992), (128, 10187495), (160, 8149996), (320, 4074998), (631, 2066560), (640, 2037499), (1262, 1033280), (2524, 516640), (3155, 413312), (3229, 403840), (5048, 258320), (6310, 206656), (6458, 201920), (10096, 129160), (12620, 103328), (12916, 100960), (16145, 80768), (20192, 64580), (25240, 51664), (25832, 50480), (32290, 40384)]