664466440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:383

約数の個数: 128

約数和(自身を含む): 1676401920

約数和(自身を除く): 1011935480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 73, 88, 110, 137, 146, 151, 220, 274, 292, 302, 365, 440, 548, 584, 604, 685, 730, 755, 803, 1096, 1208, 1370, 1460, 1507, 1510, 1606, 1661, 2740, 2920, 3014, 3020, 3212, 3322, 4015, 5480, 6028, 6040, 6424, 6644, 7535, 8030, 8305, 10001, 11023, 12056, 13288, 15070, 16060, 16610, 20002, 20687, 22046, 30140, 32120, 33220, 40004, 41374, 44092, 50005, 55115, 60280, 66440, 80008, 82748, 88184, 100010, 103435, 110011, 110230, 121253, 165496, 200020, 206870, 220022, 220460, 227557, 242506, 400040, 413740, 440044, 440920, 455114, 485012, 550055, 606265, 827480, 880088, 910228, 970024, 1100110, 1137785, 1212530, 1510151, 1820456, 2200220, 2275570, 2425060, 3020302, 4400440, 4551140, 4850120, 6040604, 7550755, 9102280, 12081208, 15101510, 16611661, 30203020, 33223322, 60406040, 66446644, 83058305, 132893288, 166116610, 332233220, 664466440]

約数ペア:

[(1, 664466440), (2, 332233220), (4, 166116610), (5, 132893288), (8, 83058305), (10, 66446644), (11, 60406040), (20, 33223322), (22, 30203020), (40, 16611661), (44, 15101510), (55, 12081208), (73, 9102280), (88, 7550755), (110, 6040604), (137, 4850120), (146, 4551140), (151, 4400440), (220, 3020302), (274, 2425060), (292, 2275570), (302, 2200220), (365, 1820456), (440, 1510151), (548, 1212530), (584, 1137785), (604, 1100110), (685, 970024), (730, 910228), (755, 880088), (803, 827480), (1096, 606265), (1208, 550055), (1370, 485012), (1460, 455114), (1507, 440920), (1510, 440044), (1606, 413740), (1661, 400040), (2740, 242506), (2920, 227557), (3014, 220460), (3020, 220022), (3212, 206870), (3322, 200020), (4015, 165496), (5480, 121253), (6028, 110230), (6040, 110011), (6424, 103435), (6644, 100010), (7535, 88184), (8030, 82748), (8305, 80008), (10001, 66440), (11023, 60280), (12056, 55115), (13288, 50005), (15070, 44092), (16060, 41374), (16610, 40004), (20002, 33220), (20687, 32120), (22046, 30140)]