309503520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{157}}^1$

素因数の和:252

約数の個数: 216

約数和(自身を含む): 1092411684

約数和(自身を除く): 782908164

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 96, 111, 120, 144, 148, 157, 160, 180, 185, 222, 240, 288, 296, 314, 333, 360, 370, 444, 471, 480, 555, 592, 628, 666, 720, 740, 785, 888, 942, 1110, 1184, 1256, 1332, 1369, 1413, 1440, 1480, 1570, 1665, 1776, 1884, 2220, 2355, 2512, 2664, 2738, 2826, 2960, 3140, 3330, 3552, 3768, 4107, 4440, 4710, 5024, 5328, 5476, 5652, 5809, 5920, 6280, 6660, 6845, 7065, 7536, 8214, 8880, 9420, 10656, 10952, 11304, 11618, 12321, 12560, 13320, 13690, 14130, 15072, 16428, 17427, 17760, 18840, 20535, 21904, 22608, 23236, 24642, 25120, 26640, 27380, 28260, 29045, 32856, 34854, 37680, 41070, 43808, 45216, 46472, 49284, 52281, 53280, 54760, 56520, 58090, 61605, 65712, 69708, 75360, 82140, 87135, 92944, 98568, 104562, 109520, 113040, 116180, 123210, 131424, 139416, 164280, 174270, 185888, 197136, 209124, 214933, 219040, 226080, 232360, 246420, 261405, 278832, 328560, 348540, 394272, 418248, 429866, 464720, 492840, 522810, 557664, 644799, 657120, 697080, 836496, 859732, 929440, 985680, 1045620, 1074665, 1289598, 1394160, 1672992, 1719464, 1934397, 1971360, 2091240, 2149330, 2579196, 2788320, 3223995, 3438928, 3868794, 4182480, 4298660, 5158392, 6447990, 6877856, 7737588, 8364960, 8597320, 9671985, 10316784, 12895980, 15475176, 17194640, 19343970, 20633568, 25791960, 30950352, 34389280, 38687940, 51583920, 61900704, 77375880, 103167840, 154751760, 309503520]

約数ペア:

[(1, 309503520), (2, 154751760), (3, 103167840), (4, 77375880), (5, 61900704), (6, 51583920), (8, 38687940), (9, 34389280), (10, 30950352), (12, 25791960), (15, 20633568), (16, 19343970), (18, 17194640), (20, 15475176), (24, 12895980), (30, 10316784), (32, 9671985), (36, 8597320), (37, 8364960), (40, 7737588), (45, 6877856), (48, 6447990), (60, 5158392), (72, 4298660), (74, 4182480), (80, 3868794), (90, 3438928), (96, 3223995), (111, 2788320), (120, 2579196), (144, 2149330), (148, 2091240), (157, 1971360), (160, 1934397), (180, 1719464), (185, 1672992), (222, 1394160), (240, 1289598), (288, 1074665), (296, 1045620), (314, 985680), (333, 929440), (360, 859732), (370, 836496), (444, 697080), (471, 657120), (480, 644799), (555, 557664), (592, 522810), (628, 492840), (666, 464720), (720, 429866), (740, 418248), (785, 394272), (888, 348540), (942, 328560), (1110, 278832), (1184, 261405), (1256, 246420), (1332, 232360), (1369, 226080), (1413, 219040), (1440, 214933), (1480, 209124), (1570, 197136), (1665, 185888), (1776, 174270), (1884, 164280), (2220, 139416), (2355, 131424), (2512, 123210), (2664, 116180), (2738, 113040), (2826, 109520), (2960, 104562), (3140, 98568), (3330, 92944), (3552, 87135), (3768, 82140), (4107, 75360), (4440, 69708), (4710, 65712), (5024, 61605), (5328, 58090), (5476, 56520), (5652, 54760), (5809, 53280), (5920, 52281), (6280, 49284), (6660, 46472), (6845, 45216), (7065, 43808), (7536, 41070), (8214, 37680), (8880, 34854), (9420, 32856), (10656, 29045), (10952, 28260), (11304, 27380), (11618, 26640), (12321, 25120), (12560, 24642), (13320, 23236), (13690, 22608), (14130, 21904), (15072, 20535), (16428, 18840), (17427, 17760)]