31919880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15647}}^1$

素因数の和:15678

約数の個数: 64

約数和(自身を含む): 101399040

約数和(自身を除く): 69479160

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, 15647, 31294, 46941, 62588, 78235, 93882, 125176, 156470, 187764, 234705, 265999, 312940, 375528, 469410, 531998, 625880, 797997, 938820, 1063996, 1329995, 1595994, 1877640, 2127992, 2659990, 3191988, 3989985, 5319980, 6383976, 7979970, 10639960, 15959940, 31919880]

約数ペア:

[(1, 31919880), (2, 15959940), (3, 10639960), (4, 7979970), (5, 6383976), (6, 5319980), (8, 3989985), (10, 3191988), (12, 2659990), (15, 2127992), (17, 1877640), (20, 1595994), (24, 1329995), (30, 1063996), (34, 938820), (40, 797997), (51, 625880), (60, 531998), (68, 469410), (85, 375528), (102, 312940), (120, 265999), (136, 234705), (170, 187764), (204, 156470), (255, 125176), (340, 93882), (408, 78235), (510, 62588), (680, 46941), (1020, 31294), (2040, 15647)]