1728321000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^1\times {\mathrm{82301}}^1$

素因数の和:82332

約数の個数: 128

約数和(自身を含む): 6162773760

約数和(自身を除く): 4434452760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 125, 140, 150, 168, 175, 200, 210, 250, 280, 300, 350, 375, 420, 500, 525, 600, 700, 750, 840, 875, 1000, 1050, 1400, 1500, 1750, 2100, 2625, 3000, 3500, 4200, 5250, 7000, 10500, 21000, 82301, 164602, 246903, 329204, 411505, 493806, 576107, 658408, 823010, 987612, 1152214, 1234515, 1646020, 1728321, 1975224, 2057525, 2304428, 2469030, 2880535, 3292040, 3456642, 4115050, 4608856, 4938060, 5761070, 6172575, 6913284, 8230100, 8641605, 9876120, 10287625, 11522140, 12345150, 13826568, 14402675, 16460200, 17283210, 20575250, 23044280, 24690300, 28805350, 30862875, 34566420, 41150500, 43208025, 49380600, 57610700, 61725750, 69132840, 72013375, 82301000, 86416050, 115221400, 123451500, 144026750, 172832100, 216040125, 246903000, 288053500, 345664200, 432080250, 576107000, 864160500, 1728321000]

約数ペア:

[(1, 1728321000), (2, 864160500), (3, 576107000), (4, 432080250), (5, 345664200), (6, 288053500), (7, 246903000), (8, 216040125), (10, 172832100), (12, 144026750), (14, 123451500), (15, 115221400), (20, 86416050), (21, 82301000), (24, 72013375), (25, 69132840), (28, 61725750), (30, 57610700), (35, 49380600), (40, 43208025), (42, 41150500), (50, 34566420), (56, 30862875), (60, 28805350), (70, 24690300), (75, 23044280), (84, 20575250), (100, 17283210), (105, 16460200), (120, 14402675), (125, 13826568), (140, 12345150), (150, 11522140), (168, 10287625), (175, 9876120), (200, 8641605), (210, 8230100), (250, 6913284), (280, 6172575), (300, 5761070), (350, 4938060), (375, 4608856), (420, 4115050), (500, 3456642), (525, 3292040), (600, 2880535), (700, 2469030), (750, 2304428), (840, 2057525), (875, 1975224), (1000, 1728321), (1050, 1646020), (1400, 1234515), (1500, 1152214), (1750, 987612), (2100, 823010), (2625, 658408), (3000, 576107), (3500, 493806), (4200, 411505), (5250, 329204), (7000, 246903), (10500, 164602), (21000, 82301)]