181211760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{647}}^1$

素因数の和:1055

約数の個数: 120

約数和(自身を含む): 611076960

約数和(自身を除く): 429865200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 389, 647, 720, 778, 1167, 1294, 1556, 1941, 1945, 2334, 2588, 3112, 3235, 3501, 3882, 3890, 4668, 5176, 5823, 5835, 6224, 6470, 7002, 7764, 7780, 9336, 9705, 10352, 11646, 11670, 12940, 14004, 15528, 15560, 17505, 18672, 19410, 23292, 23340, 25880, 28008, 29115, 31056, 31120, 35010, 38820, 46584, 46680, 51760, 56016, 58230, 70020, 77640, 93168, 93360, 116460, 140040, 155280, 232920, 251683, 280080, 465840, 503366, 755049, 1006732, 1258415, 1510098, 2013464, 2265147, 2516830, 3020196, 3775245, 4026928, 4530294, 5033660, 6040392, 7550490, 9060588, 10067320, 11325735, 12080784, 15100980, 18121176, 20134640, 22651470, 30201960, 36242352, 45302940, 60403920, 90605880, 181211760]

約数ペア:

[(1, 181211760), (2, 90605880), (3, 60403920), (4, 45302940), (5, 36242352), (6, 30201960), (8, 22651470), (9, 20134640), (10, 18121176), (12, 15100980), (15, 12080784), (16, 11325735), (18, 10067320), (20, 9060588), (24, 7550490), (30, 6040392), (36, 5033660), (40, 4530294), (45, 4026928), (48, 3775245), (60, 3020196), (72, 2516830), (80, 2265147), (90, 2013464), (120, 1510098), (144, 1258415), (180, 1006732), (240, 755049), (360, 503366), (389, 465840), (647, 280080), (720, 251683), (778, 232920), (1167, 155280), (1294, 140040), (1556, 116460), (1941, 93360), (1945, 93168), (2334, 77640), (2588, 70020), (3112, 58230), (3235, 56016), (3501, 51760), (3882, 46680), (3890, 46584), (4668, 38820), (5176, 35010), (5823, 31120), (5835, 31056), (6224, 29115), (6470, 28008), (7002, 25880), (7764, 23340), (7780, 23292), (9336, 19410), (9705, 18672), (10352, 17505), (11646, 15560), (11670, 15528), (12940, 14004)]