81552060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{919}}^1$

素因数の和:980

約数の個数: 144

約数和(自身を含む): 271252800

約数和(自身を除く): 189700740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 29, 30, 34, 36, 45, 51, 58, 60, 68, 85, 87, 90, 102, 116, 145, 153, 170, 174, 180, 204, 255, 261, 290, 306, 340, 348, 435, 493, 510, 522, 580, 612, 765, 870, 919, 986, 1020, 1044, 1305, 1479, 1530, 1740, 1838, 1972, 2465, 2610, 2757, 2958, 3060, 3676, 4437, 4595, 4930, 5220, 5514, 5916, 7395, 8271, 8874, 9190, 9860, 11028, 13785, 14790, 15623, 16542, 17748, 18380, 22185, 26651, 27570, 29580, 31246, 33084, 41355, 44370, 46869, 53302, 55140, 62492, 78115, 79953, 82710, 88740, 93738, 106604, 133255, 140607, 156230, 159906, 165420, 187476, 234345, 239859, 266510, 281214, 312460, 319812, 399765, 453067, 468690, 479718, 533020, 562428, 703035, 799530, 906134, 937380, 959436, 1199295, 1359201, 1406070, 1599060, 1812268, 2265335, 2398590, 2718402, 2812140, 4077603, 4530670, 4797180, 5436804, 6796005, 8155206, 9061340, 13592010, 16310412, 20388015, 27184020, 40776030, 81552060]

約数ペア:

[(1, 81552060), (2, 40776030), (3, 27184020), (4, 20388015), (5, 16310412), (6, 13592010), (9, 9061340), (10, 8155206), (12, 6796005), (15, 5436804), (17, 4797180), (18, 4530670), (20, 4077603), (29, 2812140), (30, 2718402), (34, 2398590), (36, 2265335), (45, 1812268), (51, 1599060), (58, 1406070), (60, 1359201), (68, 1199295), (85, 959436), (87, 937380), (90, 906134), (102, 799530), (116, 703035), (145, 562428), (153, 533020), (170, 479718), (174, 468690), (180, 453067), (204, 399765), (255, 319812), (261, 312460), (290, 281214), (306, 266510), (340, 239859), (348, 234345), (435, 187476), (493, 165420), (510, 159906), (522, 156230), (580, 140607), (612, 133255), (765, 106604), (870, 93738), (919, 88740), (986, 82710), (1020, 79953), (1044, 78115), (1305, 62492), (1479, 55140), (1530, 53302), (1740, 46869), (1838, 44370), (1972, 41355), (2465, 33084), (2610, 31246), (2757, 29580), (2958, 27570), (3060, 26651), (3676, 22185), (4437, 18380), (4595, 17748), (4930, 16542), (5220, 15623), (5514, 14790), (5916, 13785), (7395, 11028), (8271, 9860), (8874, 9190)]