1240195680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20029}}^1$

素因数の和:20093

約数の個数: 144

約数和(自身を含む): 4330806480

約数和(自身を除く): 3090610800

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, 20029, 20640, 30960, 40058, 60087, 61920, 80116, 100145, 120174, 160232, 180261, 200290, 240348, 300435, 320464, 360522, 400580, 480696, 600870, 640928, 721044, 801160, 861247, 901305, 961392, 1201740, 1442088, 1602320, 1722494, 1802610, 1922784, 2403480, 2583741, 2884176, 3204640, 3444988, 3605220, 4306235, 4806960, 5167482, 5768352, 6889976, 7210440, 7751223, 8612470, 9613920, 10334964, 12918705, 13779952, 14420880, 15502446, 17224940, 20669928, 25837410, 27559904, 28841760, 31004892, 34449880, 38756115, 41339856, 51674820, 62009784, 68899760, 77512230, 82679712, 103349640, 124019568, 137799520, 155024460, 206699280, 248039136, 310048920, 413398560, 620097840, 1240195680]

約数ペア:

[(1, 1240195680), (2, 620097840), (3, 413398560), (4, 310048920), (5, 248039136), (6, 206699280), (8, 155024460), (9, 137799520), (10, 124019568), (12, 103349640), (15, 82679712), (16, 77512230), (18, 68899760), (20, 62009784), (24, 51674820), (30, 41339856), (32, 38756115), (36, 34449880), (40, 31004892), (43, 28841760), (45, 27559904), (48, 25837410), (60, 20669928), (72, 17224940), (80, 15502446), (86, 14420880), (90, 13779952), (96, 12918705), (120, 10334964), (129, 9613920), (144, 8612470), (160, 7751223), (172, 7210440), (180, 6889976), (215, 5768352), (240, 5167482), (258, 4806960), (288, 4306235), (344, 3605220), (360, 3444988), (387, 3204640), (430, 2884176), (480, 2583741), (516, 2403480), (645, 1922784), (688, 1802610), (720, 1722494), (774, 1602320), (860, 1442088), (1032, 1201740), (1290, 961392), (1376, 901305), (1440, 861247), (1548, 801160), (1720, 721044), (1935, 640928), (2064, 600870), (2580, 480696), (3096, 400580), (3440, 360522), (3870, 320464), (4128, 300435), (5160, 240348), (6192, 200290), (6880, 180261), (7740, 160232), (10320, 120174), (12384, 100145), (15480, 80116), (20029, 61920), (20640, 60087), (30960, 40058)]