18843750

素因数分解:

$2^1\times 3^2\times 5^6\times {\mathrm{67}}^1$

素因数の和:105

約数の個数: 84

約数和(自身を含む): 51796212

約数和(自身を除く): 32952462

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 67, 75, 90, 125, 134, 150, 201, 225, 250, 335, 375, 402, 450, 603, 625, 670, 750, 1005, 1125, 1206, 1250, 1675, 1875, 2010, 2250, 3015, 3125, 3350, 3750, 5025, 5625, 6030, 6250, 8375, 9375, 10050, 11250, 15075, 15625, 16750, 18750, 25125, 28125, 30150, 31250, 41875, 46875, 50250, 56250, 75375, 83750, 93750, 125625, 140625, 150750, 209375, 251250, 281250, 376875, 418750, 628125, 753750, 1046875, 1256250, 1884375, 2093750, 3140625, 3768750, 6281250, 9421875, 18843750]

約数ペア:

[(1, 18843750), (2, 9421875), (3, 6281250), (5, 3768750), (6, 3140625), (9, 2093750), (10, 1884375), (15, 1256250), (18, 1046875), (25, 753750), (30, 628125), (45, 418750), (50, 376875), (67, 281250), (75, 251250), (90, 209375), (125, 150750), (134, 140625), (150, 125625), (201, 93750), (225, 83750), (250, 75375), (335, 56250), (375, 50250), (402, 46875), (450, 41875), (603, 31250), (625, 30150), (670, 28125), (750, 25125), (1005, 18750), (1125, 16750), (1206, 15625), (1250, 15075), (1675, 11250), (1875, 10050), (2010, 9375), (2250, 8375), (3015, 6250), (3125, 6030), (3350, 5625), (3750, 5025)]