18251250

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:213

約数の個数: 80

約数和(自身を含む): 47384832

約数和(自身を除く): 29133582

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 31, 50, 62, 75, 93, 125, 150, 155, 157, 186, 250, 310, 314, 375, 465, 471, 625, 750, 775, 785, 930, 942, 1250, 1550, 1570, 1875, 2325, 2355, 3750, 3875, 3925, 4650, 4710, 4867, 7750, 7850, 9734, 11625, 11775, 14601, 19375, 19625, 23250, 23550, 24335, 29202, 38750, 39250, 48670, 58125, 58875, 73005, 98125, 116250, 117750, 121675, 146010, 196250, 243350, 294375, 365025, 588750, 608375, 730050, 1216750, 1825125, 3041875, 3650250, 6083750, 9125625, 18251250]

約数ペア:

[(1, 18251250), (2, 9125625), (3, 6083750), (5, 3650250), (6, 3041875), (10, 1825125), (15, 1216750), (25, 730050), (30, 608375), (31, 588750), (50, 365025), (62, 294375), (75, 243350), (93, 196250), (125, 146010), (150, 121675), (155, 117750), (157, 116250), (186, 98125), (250, 73005), (310, 58875), (314, 58125), (375, 48670), (465, 39250), (471, 38750), (625, 29202), (750, 24335), (775, 23550), (785, 23250), (930, 19625), (942, 19375), (1250, 14601), (1550, 11775), (1570, 11625), (1875, 9734), (2325, 7850), (2355, 7750), (3750, 4867), (3875, 4710), (3925, 4650)]