15183800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 36939600

約数和(自身を除く): 21755800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 79, 100, 124, 155, 158, 200, 248, 310, 316, 395, 620, 632, 775, 790, 961, 1240, 1550, 1580, 1922, 1975, 2449, 3100, 3160, 3844, 3950, 4805, 4898, 6200, 7688, 7900, 9610, 9796, 12245, 15800, 19220, 19592, 24025, 24490, 38440, 48050, 48980, 61225, 75919, 96100, 97960, 122450, 151838, 192200, 244900, 303676, 379595, 489800, 607352, 759190, 1518380, 1897975, 3036760, 3795950, 7591900, 15183800]

約数ペア:

[(1, 15183800), (2, 7591900), (4, 3795950), (5, 3036760), (8, 1897975), (10, 1518380), (20, 759190), (25, 607352), (31, 489800), (40, 379595), (50, 303676), (62, 244900), (79, 192200), (100, 151838), (124, 122450), (155, 97960), (158, 96100), (200, 75919), (248, 61225), (310, 48980), (316, 48050), (395, 38440), (620, 24490), (632, 24025), (775, 19592), (790, 19220), (961, 15800), (1240, 12245), (1550, 9796), (1580, 9610), (1922, 7900), (1975, 7688), (2449, 6200), (3100, 4898), (3160, 4805), (3844, 3950)]