320977440

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{4549}}^1$

素因数の和:4584

約数の個数: 216

約数和(自身を含む): 1274445900

約数和(自身を除く): 953468460

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 420, 441, 480, 490, 504, 560, 588, 630, 672, 720, 735, 784, 840, 882, 980, 1008, 1120, 1176, 1260, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2352, 2520, 2940, 3360, 3528, 3920, 4410, 4549, 4704, 5040, 5880, 7056, 7840, 8820, 9098, 10080, 11760, 13647, 14112, 17640, 18196, 22745, 23520, 27294, 31843, 35280, 36392, 40941, 45490, 54588, 63686, 68235, 70560, 72784, 81882, 90980, 95529, 109176, 127372, 136470, 145568, 159215, 163764, 181960, 191058, 204705, 218352, 222901, 254744, 272940, 286587, 318430, 327528, 363920, 382116, 409410, 436704, 445802, 477645, 509488, 545880, 573174, 636860, 655056, 668703, 727840, 764232, 818820, 891604, 955290, 1018976, 1091760, 1114505, 1146348, 1273720, 1310112, 1337406, 1432935, 1528464, 1637640, 1783208, 1910580, 2006109, 2183520, 2229010, 2292696, 2547440, 2674812, 2865870, 3056928, 3275280, 3343515, 3566416, 3821160, 4012218, 4458020, 4585392, 5094880, 5349624, 5731740, 6550560, 6687030, 7132832, 7642320, 8024436, 8916040, 9170784, 10030545, 10699248, 11463480, 13374060, 15284640, 16048872, 17832080, 20061090, 21398496, 22926960, 26748120, 32097744, 35664160, 40122180, 45853920, 53496240, 64195488, 80244360, 106992480, 160488720, 320977440]

約数ペア:

[(1, 320977440), (2, 160488720), (3, 106992480), (4, 80244360), (5, 64195488), (6, 53496240), (7, 45853920), (8, 40122180), (9, 35664160), (10, 32097744), (12, 26748120), (14, 22926960), (15, 21398496), (16, 20061090), (18, 17832080), (20, 16048872), (21, 15284640), (24, 13374060), (28, 11463480), (30, 10699248), (32, 10030545), (35, 9170784), (36, 8916040), (40, 8024436), (42, 7642320), (45, 7132832), (48, 6687030), (49, 6550560), (56, 5731740), (60, 5349624), (63, 5094880), (70, 4585392), (72, 4458020), (80, 4012218), (84, 3821160), (90, 3566416), (96, 3343515), (98, 3275280), (105, 3056928), (112, 2865870), (120, 2674812), (126, 2547440), (140, 2292696), (144, 2229010), (147, 2183520), (160, 2006109), (168, 1910580), (180, 1783208), (196, 1637640), (210, 1528464), (224, 1432935), (240, 1337406), (245, 1310112), (252, 1273720), (280, 1146348), (288, 1114505), (294, 1091760), (315, 1018976), (336, 955290), (360, 891604), (392, 818820), (420, 764232), (441, 727840), (480, 668703), (490, 655056), (504, 636860), (560, 573174), (588, 545880), (630, 509488), (672, 477645), (720, 445802), (735, 436704), (784, 409410), (840, 382116), (882, 363920), (980, 327528), (1008, 318430), (1120, 286587), (1176, 272940), (1260, 254744), (1440, 222901), (1470, 218352), (1568, 204705), (1680, 191058), (1764, 181960), (1960, 163764), (2016, 159215), (2205, 145568), (2352, 136470), (2520, 127372), (2940, 109176), (3360, 95529), (3528, 90980), (3920, 81882), (4410, 72784), (4549, 70560), (4704, 68235), (5040, 63686), (5880, 54588), (7056, 45490), (7840, 40941), (8820, 36392), (9098, 35280), (10080, 31843), (11760, 27294), (13647, 23520), (14112, 22745), (17640, 18196)]