1200690720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19391}}^1$

素因数の和:19455

約数の個数: 144

約数和(自身を含む): 4192860672

約数和(自身を除く): 2992169952

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 215, 240, 258, 288, 344, 360, 387, 430, 480, 516, 645, 688, 720, 774, 860, 1032, 1290, 1376, 1440, 1548, 1720, 1935, 2064, 2580, 3096, 3440, 3870, 4128, 5160, 6192, 6880, 7740, 10320, 12384, 15480, 19391, 20640, 30960, 38782, 58173, 61920, 77564, 96955, 116346, 155128, 174519, 193910, 232692, 290865, 310256, 349038, 387820, 465384, 581730, 620512, 698076, 775640, 833813, 872595, 930768, 1163460, 1396152, 1551280, 1667626, 1745190, 1861536, 2326920, 2501439, 2792304, 3102560, 3335252, 3490380, 4169065, 4653840, 5002878, 5584608, 6670504, 6980760, 7504317, 8338130, 9307680, 10005756, 12507195, 13341008, 13961520, 15008634, 16676260, 20011512, 25014390, 26682016, 27923040, 30017268, 33352520, 37521585, 40023024, 50028780, 60034536, 66705040, 75043170, 80046048, 100057560, 120069072, 133410080, 150086340, 200115120, 240138144, 300172680, 400230240, 600345360, 1200690720]

約数ペア:

[(1, 1200690720), (2, 600345360), (3, 400230240), (4, 300172680), (5, 240138144), (6, 200115120), (8, 150086340), (9, 133410080), (10, 120069072), (12, 100057560), (15, 80046048), (16, 75043170), (18, 66705040), (20, 60034536), (24, 50028780), (30, 40023024), (32, 37521585), (36, 33352520), (40, 30017268), (43, 27923040), (45, 26682016), (48, 25014390), (60, 20011512), (72, 16676260), (80, 15008634), (86, 13961520), (90, 13341008), (96, 12507195), (120, 10005756), (129, 9307680), (144, 8338130), (160, 7504317), (172, 6980760), (180, 6670504), (215, 5584608), (240, 5002878), (258, 4653840), (288, 4169065), (344, 3490380), (360, 3335252), (387, 3102560), (430, 2792304), (480, 2501439), (516, 2326920), (645, 1861536), (688, 1745190), (720, 1667626), (774, 1551280), (860, 1396152), (1032, 1163460), (1290, 930768), (1376, 872595), (1440, 833813), (1548, 775640), (1720, 698076), (1935, 620512), (2064, 581730), (2580, 465384), (3096, 387820), (3440, 349038), (3870, 310256), (4128, 290865), (5160, 232692), (6192, 193910), (6880, 174519), (7740, 155128), (10320, 116346), (12384, 96955), (15480, 77564), (19391, 61920), (20640, 58173), (30960, 38782)]