7281465720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{3019}}^1$

素因数の和:3333

約数の個数: 128

約数和(自身を含む): 22178880000

約数和(自身を除く): 14897414280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 199, 202, 303, 398, 404, 505, 597, 606, 796, 808, 995, 1010, 1194, 1212, 1515, 1592, 1990, 2020, 2388, 2424, 2985, 3019, 3030, 3980, 4040, 4776, 5970, 6038, 6060, 7960, 9057, 11940, 12076, 12120, 15095, 18114, 20099, 23880, 24152, 30190, 36228, 40198, 45285, 60297, 60380, 72456, 80396, 90570, 100495, 120594, 120760, 160792, 181140, 200990, 241188, 301485, 304919, 362280, 401980, 482376, 600781, 602970, 609838, 803960, 914757, 1201562, 1205940, 1219676, 1524595, 1802343, 1829514, 2403124, 2411880, 2439352, 3003905, 3049190, 3604686, 3659028, 4573785, 4806248, 6007810, 6098380, 7209372, 7318056, 9011715, 9147570, 12015620, 12196760, 14418744, 18023430, 18295140, 24031240, 36046860, 36590280, 60678881, 72093720, 121357762, 182036643, 242715524, 303394405, 364073286, 485431048, 606788810, 728146572, 910183215, 1213577620, 1456293144, 1820366430, 2427155240, 3640732860, 7281465720]

約数ペア:

[(1, 7281465720), (2, 3640732860), (3, 2427155240), (4, 1820366430), (5, 1456293144), (6, 1213577620), (8, 910183215), (10, 728146572), (12, 606788810), (15, 485431048), (20, 364073286), (24, 303394405), (30, 242715524), (40, 182036643), (60, 121357762), (101, 72093720), (120, 60678881), (199, 36590280), (202, 36046860), (303, 24031240), (398, 18295140), (404, 18023430), (505, 14418744), (597, 12196760), (606, 12015620), (796, 9147570), (808, 9011715), (995, 7318056), (1010, 7209372), (1194, 6098380), (1212, 6007810), (1515, 4806248), (1592, 4573785), (1990, 3659028), (2020, 3604686), (2388, 3049190), (2424, 3003905), (2985, 2439352), (3019, 2411880), (3030, 2403124), (3980, 1829514), (4040, 1802343), (4776, 1524595), (5970, 1219676), (6038, 1205940), (6060, 1201562), (7960, 914757), (9057, 803960), (11940, 609838), (12076, 602970), (12120, 600781), (15095, 482376), (18114, 401980), (20099, 362280), (23880, 304919), (24152, 301485), (30190, 241188), (36228, 200990), (40198, 181140), (45285, 160792), (60297, 120760), (60380, 120594), (72456, 100495), (80396, 90570)]