19790760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:112

約数の個数: 192

約数和(自身を含む): 68947200

約数和(自身を除く): 49156440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 29, 30, 33, 40, 44, 47, 55, 58, 60, 66, 87, 88, 94, 110, 116, 120, 121, 132, 141, 145, 165, 174, 188, 220, 232, 235, 242, 264, 282, 290, 319, 330, 348, 363, 376, 435, 440, 470, 484, 517, 564, 580, 605, 638, 660, 696, 705, 726, 870, 940, 957, 968, 1034, 1128, 1160, 1210, 1276, 1320, 1363, 1410, 1452, 1551, 1595, 1740, 1815, 1880, 1914, 2068, 2420, 2552, 2585, 2726, 2820, 2904, 3102, 3190, 3480, 3509, 3630, 3828, 4089, 4136, 4785, 4840, 5170, 5452, 5640, 5687, 6204, 6380, 6815, 7018, 7260, 7656, 7755, 8178, 9570, 10340, 10527, 10904, 11374, 12408, 12760, 13630, 14036, 14520, 14993, 15510, 16356, 17061, 17545, 19140, 20445, 20680, 21054, 22748, 27260, 28072, 28435, 29986, 31020, 32712, 34122, 35090, 38280, 40890, 42108, 44979, 45496, 52635, 54520, 56870, 59972, 62040, 68244, 70180, 74965, 81780, 84216, 85305, 89958, 105270, 113740, 119944, 136488, 140360, 149930, 163560, 164923, 170610, 179916, 210540, 224895, 227480, 299860, 329846, 341220, 359832, 421080, 449790, 494769, 599720, 659692, 682440, 824615, 899580, 989538, 1319384, 1649230, 1799160, 1979076, 2473845, 3298460, 3958152, 4947690, 6596920, 9895380, 19790760]

約数ペア:

[(1, 19790760), (2, 9895380), (3, 6596920), (4, 4947690), (5, 3958152), (6, 3298460), (8, 2473845), (10, 1979076), (11, 1799160), (12, 1649230), (15, 1319384), (20, 989538), (22, 899580), (24, 824615), (29, 682440), (30, 659692), (33, 599720), (40, 494769), (44, 449790), (47, 421080), (55, 359832), (58, 341220), (60, 329846), (66, 299860), (87, 227480), (88, 224895), (94, 210540), (110, 179916), (116, 170610), (120, 164923), (121, 163560), (132, 149930), (141, 140360), (145, 136488), (165, 119944), (174, 113740), (188, 105270), (220, 89958), (232, 85305), (235, 84216), (242, 81780), (264, 74965), (282, 70180), (290, 68244), (319, 62040), (330, 59972), (348, 56870), (363, 54520), (376, 52635), (435, 45496), (440, 44979), (470, 42108), (484, 40890), (517, 38280), (564, 35090), (580, 34122), (605, 32712), (638, 31020), (660, 29986), (696, 28435), (705, 28072), (726, 27260), (870, 22748), (940, 21054), (957, 20680), (968, 20445), (1034, 19140), (1128, 17545), (1160, 17061), (1210, 16356), (1276, 15510), (1320, 14993), (1363, 14520), (1410, 14036), (1452, 13630), (1551, 12760), (1595, 12408), (1740, 11374), (1815, 10904), (1880, 10527), (1914, 10340), (2068, 9570), (2420, 8178), (2552, 7755), (2585, 7656), (2726, 7260), (2820, 7018), (2904, 6815), (3102, 6380), (3190, 6204), (3480, 5687), (3509, 5640), (3630, 5452), (3828, 5170), (4089, 4840), (4136, 4785)]