4545000

素因数分解:

$2^3\times 3^2\times 5^4\times {\mathrm{101}}^1$

素因数の和:133

約数の個数: 120

約数和(自身を含む): 15534090

約数和(自身を除く): 10989090

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 101, 120, 125, 150, 180, 200, 202, 225, 250, 300, 303, 360, 375, 404, 450, 500, 505, 600, 606, 625, 750, 808, 900, 909, 1000, 1010, 1125, 1212, 1250, 1500, 1515, 1800, 1818, 1875, 2020, 2250, 2424, 2500, 2525, 3000, 3030, 3636, 3750, 4040, 4500, 4545, 5000, 5050, 5625, 6060, 7272, 7500, 7575, 9000, 9090, 10100, 11250, 12120, 12625, 15000, 15150, 18180, 20200, 22500, 22725, 25250, 30300, 36360, 37875, 45000, 45450, 50500, 60600, 63125, 75750, 90900, 101000, 113625, 126250, 151500, 181800, 189375, 227250, 252500, 303000, 378750, 454500, 505000, 568125, 757500, 909000, 1136250, 1515000, 2272500, 4545000]

約数ペア:

[(1, 4545000), (2, 2272500), (3, 1515000), (4, 1136250), (5, 909000), (6, 757500), (8, 568125), (9, 505000), (10, 454500), (12, 378750), (15, 303000), (18, 252500), (20, 227250), (24, 189375), (25, 181800), (30, 151500), (36, 126250), (40, 113625), (45, 101000), (50, 90900), (60, 75750), (72, 63125), (75, 60600), (90, 50500), (100, 45450), (101, 45000), (120, 37875), (125, 36360), (150, 30300), (180, 25250), (200, 22725), (202, 22500), (225, 20200), (250, 18180), (300, 15150), (303, 15000), (360, 12625), (375, 12120), (404, 11250), (450, 10100), (500, 9090), (505, 9000), (600, 7575), (606, 7500), (625, 7272), (750, 6060), (808, 5625), (900, 5050), (909, 5000), (1000, 4545), (1010, 4500), (1125, 4040), (1212, 3750), (1250, 3636), (1500, 3030), (1515, 3000), (1800, 2525), (1818, 2500), (1875, 2424), (2020, 2250)]