1991250

素因数分解:

$2^1\times 3^3\times 5^4\times {\mathrm{59}}^1$

素因数の和:90

約数の個数: 80

約数和(自身を含む): 5623200

約数和(自身を除く): 3631950

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 59, 75, 90, 118, 125, 135, 150, 177, 225, 250, 270, 295, 354, 375, 450, 531, 590, 625, 675, 750, 885, 1062, 1125, 1250, 1350, 1475, 1593, 1770, 1875, 2250, 2655, 2950, 3186, 3375, 3750, 4425, 5310, 5625, 6750, 7375, 7965, 8850, 11250, 13275, 14750, 15930, 16875, 22125, 26550, 33750, 36875, 39825, 44250, 66375, 73750, 79650, 110625, 132750, 199125, 221250, 331875, 398250, 663750, 995625, 1991250]

約数ペア:

[(1, 1991250), (2, 995625), (3, 663750), (5, 398250), (6, 331875), (9, 221250), (10, 199125), (15, 132750), (18, 110625), (25, 79650), (27, 73750), (30, 66375), (45, 44250), (50, 39825), (54, 36875), (59, 33750), (75, 26550), (90, 22125), (118, 16875), (125, 15930), (135, 14750), (150, 13275), (177, 11250), (225, 8850), (250, 7965), (270, 7375), (295, 6750), (354, 5625), (375, 5310), (450, 4425), (531, 3750), (590, 3375), (625, 3186), (675, 2950), (750, 2655), (885, 2250), (1062, 1875), (1125, 1770), (1250, 1593), (1350, 1475)]