28321260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 90091008

約数和(自身を除く): 61769748

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 47, 55, 60, 66, 83, 94, 110, 121, 132, 141, 165, 166, 188, 220, 235, 242, 249, 282, 330, 332, 363, 415, 470, 484, 498, 517, 564, 605, 660, 705, 726, 830, 913, 940, 996, 1034, 1210, 1245, 1410, 1452, 1551, 1660, 1815, 1826, 2068, 2420, 2490, 2585, 2739, 2820, 3102, 3630, 3652, 3901, 4565, 4980, 5170, 5478, 5687, 6204, 7260, 7755, 7802, 9130, 10043, 10340, 10956, 11374, 11703, 13695, 15510, 15604, 17061, 18260, 19505, 20086, 22748, 23406, 27390, 28435, 30129, 31020, 34122, 39010, 40172, 42911, 46812, 50215, 54780, 56870, 58515, 60258, 68244, 78020, 85305, 85822, 100430, 113740, 117030, 120516, 128733, 150645, 170610, 171644, 200860, 214555, 234060, 257466, 301290, 341220, 429110, 472021, 514932, 602580, 643665, 858220, 944042, 1287330, 1416063, 1888084, 2360105, 2574660, 2832126, 4720210, 5664252, 7080315, 9440420, 14160630, 28321260]

約数ペア:

[(1, 28321260), (2, 14160630), (3, 9440420), (4, 7080315), (5, 5664252), (6, 4720210), (10, 2832126), (11, 2574660), (12, 2360105), (15, 1888084), (20, 1416063), (22, 1287330), (30, 944042), (33, 858220), (44, 643665), (47, 602580), (55, 514932), (60, 472021), (66, 429110), (83, 341220), (94, 301290), (110, 257466), (121, 234060), (132, 214555), (141, 200860), (165, 171644), (166, 170610), (188, 150645), (220, 128733), (235, 120516), (242, 117030), (249, 113740), (282, 100430), (330, 85822), (332, 85305), (363, 78020), (415, 68244), (470, 60258), (484, 58515), (498, 56870), (517, 54780), (564, 50215), (605, 46812), (660, 42911), (705, 40172), (726, 39010), (830, 34122), (913, 31020), (940, 30129), (996, 28435), (1034, 27390), (1210, 23406), (1245, 22748), (1410, 20086), (1452, 19505), (1551, 18260), (1660, 17061), (1815, 15604), (1826, 15510), (2068, 13695), (2420, 11703), (2490, 11374), (2585, 10956), (2739, 10340), (2820, 10043), (3102, 9130), (3630, 7802), (3652, 7755), (3901, 7260), (4565, 6204), (4980, 5687), (5170, 5478)]