291205320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:316

約数の個数: 256

約数和(自身を含む): 1055047680

約数和(自身を除く): 763842360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 53, 56, 60, 62, 70, 84, 93, 105, 106, 120, 124, 140, 155, 159, 168, 186, 210, 211, 212, 217, 248, 265, 280, 310, 318, 371, 372, 420, 422, 424, 434, 465, 530, 620, 633, 636, 651, 742, 744, 795, 840, 844, 868, 930, 1055, 1060, 1085, 1113, 1240, 1266, 1272, 1302, 1477, 1484, 1590, 1643, 1688, 1736, 1855, 1860, 2110, 2120, 2170, 2226, 2532, 2604, 2954, 2968, 3165, 3180, 3255, 3286, 3710, 3720, 4220, 4340, 4431, 4452, 4929, 5064, 5208, 5565, 5908, 6330, 6360, 6510, 6541, 6572, 7385, 7420, 8215, 8440, 8680, 8862, 8904, 9858, 11130, 11183, 11501, 11816, 12660, 13020, 13082, 13144, 14770, 14840, 16430, 17724, 19623, 19716, 22155, 22260, 22366, 23002, 24645, 25320, 26040, 26164, 29540, 32705, 32860, 33549, 34503, 35448, 39246, 39432, 44310, 44520, 44732, 45787, 46004, 49290, 52328, 55915, 57505, 59080, 65410, 65720, 67098, 69006, 78281, 78492, 88620, 89464, 91574, 92008, 98115, 98580, 111830, 115010, 130820, 134196, 137361, 138012, 156562, 156984, 167745, 172515, 177240, 183148, 196230, 197160, 223660, 228935, 230020, 234843, 261640, 268392, 274722, 276024, 313124, 335490, 345030, 346673, 366296, 391405, 392460, 447320, 457870, 460040, 469686, 549444, 626248, 670980, 686805, 690060, 693346, 782810, 784920, 915740, 939372, 1040019, 1098888, 1174215, 1341960, 1373610, 1380120, 1386692, 1565620, 1733365, 1831480, 1878744, 2080038, 2348430, 2426711, 2747220, 2773384, 3131240, 3466730, 4160076, 4696860, 4853422, 5200095, 5494440, 6933460, 7280133, 8320152, 9393720, 9706844, 10400190, 12133555, 13866920, 14560266, 19413688, 20800380, 24267110, 29120532, 36400665, 41600760, 48534220, 58241064, 72801330, 97068440, 145602660, 291205320]

約数ペア:

[(1, 291205320), (2, 145602660), (3, 97068440), (4, 72801330), (5, 58241064), (6, 48534220), (7, 41600760), (8, 36400665), (10, 29120532), (12, 24267110), (14, 20800380), (15, 19413688), (20, 14560266), (21, 13866920), (24, 12133555), (28, 10400190), (30, 9706844), (31, 9393720), (35, 8320152), (40, 7280133), (42, 6933460), (53, 5494440), (56, 5200095), (60, 4853422), (62, 4696860), (70, 4160076), (84, 3466730), (93, 3131240), (105, 2773384), (106, 2747220), (120, 2426711), (124, 2348430), (140, 2080038), (155, 1878744), (159, 1831480), (168, 1733365), (186, 1565620), (210, 1386692), (211, 1380120), (212, 1373610), (217, 1341960), (248, 1174215), (265, 1098888), (280, 1040019), (310, 939372), (318, 915740), (371, 784920), (372, 782810), (420, 693346), (422, 690060), (424, 686805), (434, 670980), (465, 626248), (530, 549444), (620, 469686), (633, 460040), (636, 457870), (651, 447320), (742, 392460), (744, 391405), (795, 366296), (840, 346673), (844, 345030), (868, 335490), (930, 313124), (1055, 276024), (1060, 274722), (1085, 268392), (1113, 261640), (1240, 234843), (1266, 230020), (1272, 228935), (1302, 223660), (1477, 197160), (1484, 196230), (1590, 183148), (1643, 177240), (1688, 172515), (1736, 167745), (1855, 156984), (1860, 156562), (2110, 138012), (2120, 137361), (2170, 134196), (2226, 130820), (2532, 115010), (2604, 111830), (2954, 98580), (2968, 98115), (3165, 92008), (3180, 91574), (3255, 89464), (3286, 88620), (3710, 78492), (3720, 78281), (4220, 69006), (4340, 67098), (4431, 65720), (4452, 65410), (4929, 59080), (5064, 57505), (5208, 55915), (5565, 52328), (5908, 49290), (6330, 46004), (6360, 45787), (6510, 44732), (6541, 44520), (6572, 44310), (7385, 39432), (7420, 39246), (8215, 35448), (8440, 34503), (8680, 33549), (8862, 32860), (8904, 32705), (9858, 29540), (11130, 26164), (11183, 26040), (11501, 25320), (11816, 24645), (12660, 23002), (13020, 22366), (13082, 22260), (13144, 22155), (14770, 19716), (14840, 19623), (16430, 17724)]