320938240

素因数分解:

$2^8\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:102

約数の個数: 288

約数和(自身を含む): 971308800

約数和(自身を除く): 650370560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 43, 49, 56, 64, 68, 70, 80, 85, 86, 98, 112, 119, 128, 136, 140, 160, 170, 172, 196, 215, 224, 238, 245, 256, 272, 280, 301, 320, 340, 343, 344, 392, 430, 448, 476, 490, 544, 560, 595, 602, 640, 680, 686, 688, 731, 784, 833, 860, 896, 952, 980, 1088, 1120, 1190, 1204, 1280, 1360, 1372, 1376, 1462, 1505, 1568, 1666, 1715, 1720, 1792, 1904, 1960, 2107, 2176, 2240, 2380, 2408, 2720, 2744, 2752, 2924, 3010, 3136, 3332, 3430, 3440, 3655, 3808, 3920, 4165, 4214, 4352, 4480, 4760, 4816, 5117, 5440, 5488, 5504, 5831, 5848, 6020, 6272, 6664, 6860, 6880, 7310, 7616, 7840, 8330, 8428, 8960, 9520, 9632, 10234, 10535, 10880, 10976, 11008, 11662, 11696, 12040, 12544, 13328, 13720, 13760, 14620, 14749, 15232, 15680, 16660, 16856, 19040, 19264, 20468, 21070, 21760, 21952, 23324, 23392, 24080, 25585, 26656, 27440, 27520, 29155, 29240, 29498, 30464, 31360, 33320, 33712, 35819, 38080, 38528, 40936, 42140, 43904, 46648, 46784, 48160, 51170, 53312, 54880, 55040, 58310, 58480, 58996, 62720, 66640, 67424, 71638, 73745, 76160, 77056, 81872, 84280, 87808, 93296, 93568, 96320, 102340, 106624, 109760, 116620, 116960, 117992, 133280, 134848, 143276, 147490, 152320, 163744, 168560, 179095, 186592, 187136, 192640, 204680, 213248, 219520, 233240, 233920, 235984, 250733, 266560, 269696, 286552, 294980, 327488, 337120, 358190, 373184, 385280, 409360, 439040, 466480, 467840, 471968, 501466, 533120, 539392, 573104, 589960, 654976, 674240, 716380, 746368, 818720, 932960, 935680, 943936, 1002932, 1066240, 1146208, 1179920, 1253665, 1309952, 1348480, 1432760, 1492736, 1637440, 1865920, 1887872, 2005864, 2292416, 2359840, 2507330, 2696960, 2865520, 3274880, 3731840, 3775744, 4011728, 4584832, 4719680, 5014660, 5731040, 6549760, 7463680, 8023456, 9169664, 9439360, 10029320, 11462080, 16046912, 18878720, 20058640, 22924160, 32093824, 40117280, 45848320, 64187648, 80234560, 160469120, 320938240]

約数ペア:

[(1, 320938240), (2, 160469120), (4, 80234560), (5, 64187648), (7, 45848320), (8, 40117280), (10, 32093824), (14, 22924160), (16, 20058640), (17, 18878720), (20, 16046912), (28, 11462080), (32, 10029320), (34, 9439360), (35, 9169664), (40, 8023456), (43, 7463680), (49, 6549760), (56, 5731040), (64, 5014660), (68, 4719680), (70, 4584832), (80, 4011728), (85, 3775744), (86, 3731840), (98, 3274880), (112, 2865520), (119, 2696960), (128, 2507330), (136, 2359840), (140, 2292416), (160, 2005864), (170, 1887872), (172, 1865920), (196, 1637440), (215, 1492736), (224, 1432760), (238, 1348480), (245, 1309952), (256, 1253665), (272, 1179920), (280, 1146208), (301, 1066240), (320, 1002932), (340, 943936), (343, 935680), (344, 932960), (392, 818720), (430, 746368), (448, 716380), (476, 674240), (490, 654976), (544, 589960), (560, 573104), (595, 539392), (602, 533120), (640, 501466), (680, 471968), (686, 467840), (688, 466480), (731, 439040), (784, 409360), (833, 385280), (860, 373184), (896, 358190), (952, 337120), (980, 327488), (1088, 294980), (1120, 286552), (1190, 269696), (1204, 266560), (1280, 250733), (1360, 235984), (1372, 233920), (1376, 233240), (1462, 219520), (1505, 213248), (1568, 204680), (1666, 192640), (1715, 187136), (1720, 186592), (1792, 179095), (1904, 168560), (1960, 163744), (2107, 152320), (2176, 147490), (2240, 143276), (2380, 134848), (2408, 133280), (2720, 117992), (2744, 116960), (2752, 116620), (2924, 109760), (3010, 106624), (3136, 102340), (3332, 96320), (3430, 93568), (3440, 93296), (3655, 87808), (3808, 84280), (3920, 81872), (4165, 77056), (4214, 76160), (4352, 73745), (4480, 71638), (4760, 67424), (4816, 66640), (5117, 62720), (5440, 58996), (5488, 58480), (5504, 58310), (5831, 55040), (5848, 54880), (6020, 53312), (6272, 51170), (6664, 48160), (6860, 46784), (6880, 46648), (7310, 43904), (7616, 42140), (7840, 40936), (8330, 38528), (8428, 38080), (8960, 35819), (9520, 33712), (9632, 33320), (10234, 31360), (10535, 30464), (10880, 29498), (10976, 29240), (11008, 29155), (11662, 27520), (11696, 27440), (12040, 26656), (12544, 25585), (13328, 24080), (13720, 23392), (13760, 23324), (14620, 21952), (14749, 21760), (15232, 21070), (15680, 20468), (16660, 19264), (16856, 19040)]