31348480

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1289}}^1$

素因数の和:1329

約数の個数: 72

約数和(自身を含む): 79102800

約数和(自身を除く): 47754320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1289, 1520, 2432, 2578, 3040, 4864, 5156, 6080, 6445, 10312, 12160, 12890, 20624, 24320, 24491, 25780, 41248, 48982, 51560, 82496, 97964, 103120, 122455, 164992, 195928, 206240, 244910, 329984, 391856, 412480, 489820, 783712, 824960, 979640, 1567424, 1649920, 1959280, 3134848, 3918560, 6269696, 7837120, 15674240, 31348480]

約数ペア:

[(1, 31348480), (2, 15674240), (4, 7837120), (5, 6269696), (8, 3918560), (10, 3134848), (16, 1959280), (19, 1649920), (20, 1567424), (32, 979640), (38, 824960), (40, 783712), (64, 489820), (76, 412480), (80, 391856), (95, 329984), (128, 244910), (152, 206240), (160, 195928), (190, 164992), (256, 122455), (304, 103120), (320, 97964), (380, 82496), (608, 51560), (640, 48982), (760, 41248), (1216, 25780), (1280, 24491), (1289, 24320), (1520, 20624), (2432, 12890), (2578, 12160), (3040, 10312), (4864, 6445), (5156, 6080)]