1999488480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{378691}}^1$

素因数の和:378720

約数の個数: 96

約数和(自身を含む): 6870987648

約数和(自身を除く): 4871499168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 220, 240, 264, 330, 352, 440, 480, 528, 660, 880, 1056, 1320, 1760, 2640, 5280, 378691, 757382, 1136073, 1514764, 1893455, 2272146, 3029528, 3786910, 4165601, 4544292, 5680365, 6059056, 7573820, 8331202, 9088584, 11360730, 12118112, 12496803, 15147640, 16662404, 18177168, 20828005, 22721460, 24993606, 30295280, 33324808, 36354336, 41656010, 45442920, 49987212, 60590560, 62484015, 66649616, 83312020, 90885840, 99974424, 124968030, 133299232, 166624040, 181771680, 199948848, 249936060, 333248080, 399897696, 499872120, 666496160, 999744240, 1999488480]

約数ペア:

[(1, 1999488480), (2, 999744240), (3, 666496160), (4, 499872120), (5, 399897696), (6, 333248080), (8, 249936060), (10, 199948848), (11, 181771680), (12, 166624040), (15, 133299232), (16, 124968030), (20, 99974424), (22, 90885840), (24, 83312020), (30, 66649616), (32, 62484015), (33, 60590560), (40, 49987212), (44, 45442920), (48, 41656010), (55, 36354336), (60, 33324808), (66, 30295280), (80, 24993606), (88, 22721460), (96, 20828005), (110, 18177168), (120, 16662404), (132, 15147640), (160, 12496803), (165, 12118112), (176, 11360730), (220, 9088584), (240, 8331202), (264, 7573820), (330, 6059056), (352, 5680365), (440, 4544292), (480, 4165601), (528, 3786910), (660, 3029528), (880, 2272146), (1056, 1893455), (1320, 1514764), (1760, 1136073), (2640, 757382), (5280, 378691)]