280820960

素因数分解:

$2^5\times 5^1\times 7^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:103

約数の個数: 240

約数和(自身を含む): 838552176

約数和(自身を除く): 557731216

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 43, 49, 56, 68, 70, 80, 85, 86, 98, 112, 119, 136, 140, 160, 170, 172, 196, 215, 224, 238, 245, 272, 280, 301, 340, 343, 344, 392, 430, 476, 490, 544, 560, 595, 602, 680, 686, 688, 731, 784, 833, 860, 952, 980, 1120, 1190, 1204, 1360, 1372, 1376, 1462, 1505, 1568, 1666, 1715, 1720, 1904, 1960, 2107, 2380, 2401, 2408, 2720, 2744, 2924, 3010, 3332, 3430, 3440, 3655, 3808, 3920, 4165, 4214, 4760, 4802, 4816, 5117, 5488, 5831, 5848, 6020, 6664, 6860, 6880, 7310, 7840, 8330, 8428, 9520, 9604, 9632, 10234, 10535, 10976, 11662, 11696, 12005, 12040, 13328, 13720, 14620, 14749, 16660, 16856, 19040, 19208, 20468, 21070, 23324, 23392, 24010, 24080, 25585, 26656, 27440, 29155, 29240, 29498, 33320, 33712, 35819, 38416, 40817, 40936, 42140, 46648, 48020, 48160, 51170, 54880, 58310, 58480, 58996, 66640, 67424, 71638, 73745, 76832, 81634, 81872, 84280, 93296, 96040, 102340, 103243, 116620, 116960, 117992, 133280, 143276, 147490, 163268, 163744, 168560, 179095, 186592, 192080, 204085, 204680, 206486, 233240, 235984, 250733, 286552, 294980, 326536, 337120, 358190, 384160, 408170, 409360, 412972, 466480, 471968, 501466, 516215, 573104, 589960, 653072, 716380, 816340, 818720, 825944, 932960, 1002932, 1032430, 1146208, 1179920, 1253665, 1306144, 1432760, 1632680, 1651888, 1755131, 2005864, 2064860, 2359840, 2507330, 2865520, 3265360, 3303776, 3510262, 4011728, 4129720, 5014660, 5731040, 6530720, 7020524, 8023456, 8259440, 8775655, 10029320, 14041048, 16518880, 17551310, 20058640, 28082096, 35102620, 40117280, 56164192, 70205240, 140410480, 280820960]

約数ペア:

[(1, 280820960), (2, 140410480), (4, 70205240), (5, 56164192), (7, 40117280), (8, 35102620), (10, 28082096), (14, 20058640), (16, 17551310), (17, 16518880), (20, 14041048), (28, 10029320), (32, 8775655), (34, 8259440), (35, 8023456), (40, 7020524), (43, 6530720), (49, 5731040), (56, 5014660), (68, 4129720), (70, 4011728), (80, 3510262), (85, 3303776), (86, 3265360), (98, 2865520), (112, 2507330), (119, 2359840), (136, 2064860), (140, 2005864), (160, 1755131), (170, 1651888), (172, 1632680), (196, 1432760), (215, 1306144), (224, 1253665), (238, 1179920), (245, 1146208), (272, 1032430), (280, 1002932), (301, 932960), (340, 825944), (343, 818720), (344, 816340), (392, 716380), (430, 653072), (476, 589960), (490, 573104), (544, 516215), (560, 501466), (595, 471968), (602, 466480), (680, 412972), (686, 409360), (688, 408170), (731, 384160), (784, 358190), (833, 337120), (860, 326536), (952, 294980), (980, 286552), (1120, 250733), (1190, 235984), (1204, 233240), (1360, 206486), (1372, 204680), (1376, 204085), (1462, 192080), (1505, 186592), (1568, 179095), (1666, 168560), (1715, 163744), (1720, 163268), (1904, 147490), (1960, 143276), (2107, 133280), (2380, 117992), (2401, 116960), (2408, 116620), (2720, 103243), (2744, 102340), (2924, 96040), (3010, 93296), (3332, 84280), (3430, 81872), (3440, 81634), (3655, 76832), (3808, 73745), (3920, 71638), (4165, 67424), (4214, 66640), (4760, 58996), (4802, 58480), (4816, 58310), (5117, 54880), (5488, 51170), (5831, 48160), (5848, 48020), (6020, 46648), (6664, 42140), (6860, 40936), (6880, 40817), (7310, 38416), (7840, 35819), (8330, 33712), (8428, 33320), (9520, 29498), (9604, 29240), (9632, 29155), (10234, 27440), (10535, 26656), (10976, 25585), (11662, 24080), (11696, 24010), (12005, 23392), (12040, 23324), (13328, 21070), (13720, 20468), (14620, 19208), (14749, 19040), (16660, 16856)]