1531800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:82

約数の個数: 144

約数和(自身を含む): 5513040

約数和(自身を除く): 3981240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 25, 30, 36, 37, 40, 45, 46, 50, 60, 69, 72, 74, 75, 90, 92, 100, 111, 115, 120, 138, 148, 150, 180, 184, 185, 200, 207, 222, 225, 230, 276, 296, 300, 333, 345, 360, 370, 414, 444, 450, 460, 552, 555, 575, 600, 666, 690, 740, 828, 851, 888, 900, 920, 925, 1035, 1110, 1150, 1332, 1380, 1480, 1656, 1665, 1702, 1725, 1800, 1850, 2070, 2220, 2300, 2553, 2664, 2760, 2775, 3330, 3404, 3450, 3700, 4140, 4255, 4440, 4600, 5106, 5175, 5550, 6660, 6808, 6900, 7400, 7659, 8280, 8325, 8510, 10212, 10350, 11100, 12765, 13320, 13800, 15318, 16650, 17020, 20424, 20700, 21275, 22200, 25530, 30636, 33300, 34040, 38295, 41400, 42550, 51060, 61272, 63825, 66600, 76590, 85100, 102120, 127650, 153180, 170200, 191475, 255300, 306360, 382950, 510600, 765900, 1531800]

約数ペア:

[(1, 1531800), (2, 765900), (3, 510600), (4, 382950), (5, 306360), (6, 255300), (8, 191475), (9, 170200), (10, 153180), (12, 127650), (15, 102120), (18, 85100), (20, 76590), (23, 66600), (24, 63825), (25, 61272), (30, 51060), (36, 42550), (37, 41400), (40, 38295), (45, 34040), (46, 33300), (50, 30636), (60, 25530), (69, 22200), (72, 21275), (74, 20700), (75, 20424), (90, 17020), (92, 16650), (100, 15318), (111, 13800), (115, 13320), (120, 12765), (138, 11100), (148, 10350), (150, 10212), (180, 8510), (184, 8325), (185, 8280), (200, 7659), (207, 7400), (222, 6900), (225, 6808), (230, 6660), (276, 5550), (296, 5175), (300, 5106), (333, 4600), (345, 4440), (360, 4255), (370, 4140), (414, 3700), (444, 3450), (450, 3404), (460, 3330), (552, 2775), (555, 2760), (575, 2664), (600, 2553), (666, 2300), (690, 2220), (740, 2070), (828, 1850), (851, 1800), (888, 1725), (900, 1702), (920, 1665), (925, 1656), (1035, 1480), (1110, 1380), (1150, 1332)]