81407700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2741}}^1$

素因数の和:2775

約数の個数: 144

約数和(自身を含む): 285606720

約数和(自身を除く): 204199020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 27, 30, 33, 36, 44, 45, 50, 54, 55, 60, 66, 75, 90, 99, 100, 108, 110, 132, 135, 150, 165, 180, 198, 220, 225, 270, 275, 297, 300, 330, 396, 450, 495, 540, 550, 594, 660, 675, 825, 900, 990, 1100, 1188, 1350, 1485, 1650, 1980, 2475, 2700, 2741, 2970, 3300, 4950, 5482, 5940, 7425, 8223, 9900, 10964, 13705, 14850, 16446, 24669, 27410, 29700, 30151, 32892, 41115, 49338, 54820, 60302, 68525, 74007, 82230, 90453, 98676, 120604, 123345, 137050, 148014, 150755, 164460, 180906, 205575, 246690, 271359, 274100, 296028, 301510, 361812, 370035, 411150, 452265, 493380, 542718, 603020, 616725, 740070, 753775, 814077, 822300, 904530, 1085436, 1233450, 1356795, 1480140, 1507550, 1628154, 1809060, 1850175, 2261325, 2466900, 2713590, 3015100, 3256308, 3700350, 4070385, 4522650, 5427180, 6783975, 7400700, 8140770, 9045300, 13567950, 16281540, 20351925, 27135900, 40703850, 81407700]

約数ペア:

[(1, 81407700), (2, 40703850), (3, 27135900), (4, 20351925), (5, 16281540), (6, 13567950), (9, 9045300), (10, 8140770), (11, 7400700), (12, 6783975), (15, 5427180), (18, 4522650), (20, 4070385), (22, 3700350), (25, 3256308), (27, 3015100), (30, 2713590), (33, 2466900), (36, 2261325), (44, 1850175), (45, 1809060), (50, 1628154), (54, 1507550), (55, 1480140), (60, 1356795), (66, 1233450), (75, 1085436), (90, 904530), (99, 822300), (100, 814077), (108, 753775), (110, 740070), (132, 616725), (135, 603020), (150, 542718), (165, 493380), (180, 452265), (198, 411150), (220, 370035), (225, 361812), (270, 301510), (275, 296028), (297, 274100), (300, 271359), (330, 246690), (396, 205575), (450, 180906), (495, 164460), (540, 150755), (550, 148014), (594, 137050), (660, 123345), (675, 120604), (825, 98676), (900, 90453), (990, 82230), (1100, 74007), (1188, 68525), (1350, 60302), (1485, 54820), (1650, 49338), (1980, 41115), (2475, 32892), (2700, 30151), (2741, 29700), (2970, 27410), (3300, 24669), (4950, 16446), (5482, 14850), (5940, 13705), (7425, 10964), (8223, 9900)]