1611900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{199}}^1$

素因数の和:225

約数の個数: 90

約数和(自身を含む): 5251400

約数和(自身を除く): 3639500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 199, 225, 270, 300, 324, 398, 405, 450, 540, 597, 675, 796, 810, 900, 995, 1194, 1350, 1620, 1791, 1990, 2025, 2388, 2700, 2985, 3582, 3980, 4050, 4975, 5373, 5970, 7164, 8100, 8955, 9950, 10746, 11940, 14925, 16119, 17910, 19900, 21492, 26865, 29850, 32238, 35820, 44775, 53730, 59700, 64476, 80595, 89550, 107460, 134325, 161190, 179100, 268650, 322380, 402975, 537300, 805950, 1611900]

約数ペア:

[(1, 1611900), (2, 805950), (3, 537300), (4, 402975), (5, 322380), (6, 268650), (9, 179100), (10, 161190), (12, 134325), (15, 107460), (18, 89550), (20, 80595), (25, 64476), (27, 59700), (30, 53730), (36, 44775), (45, 35820), (50, 32238), (54, 29850), (60, 26865), (75, 21492), (81, 19900), (90, 17910), (100, 16119), (108, 14925), (135, 11940), (150, 10746), (162, 9950), (180, 8955), (199, 8100), (225, 7164), (270, 5970), (300, 5373), (324, 4975), (398, 4050), (405, 3980), (450, 3582), (540, 2985), (597, 2700), (675, 2388), (796, 2025), (810, 1990), (900, 1791), (995, 1620), (1194, 1350)]