1680331520

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{367}}^1$

素因数の和:475

約数の個数: 216

約数和(自身を含む): 4759118784

約数和(自身を除く): 3078787264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 73, 80, 98, 112, 128, 140, 146, 160, 196, 224, 245, 256, 280, 292, 320, 365, 367, 392, 448, 490, 511, 560, 584, 640, 730, 734, 784, 896, 980, 1022, 1120, 1168, 1280, 1460, 1468, 1568, 1792, 1835, 1960, 2044, 2240, 2336, 2555, 2569, 2920, 2936, 3136, 3577, 3670, 3920, 4088, 4480, 4672, 5110, 5138, 5840, 5872, 6272, 7154, 7340, 7840, 8176, 8960, 9344, 10220, 10276, 11680, 11744, 12544, 12845, 14308, 14680, 15680, 16352, 17885, 17983, 18688, 20440, 20552, 23360, 23488, 25690, 26791, 28616, 29360, 31360, 32704, 35770, 35966, 40880, 41104, 46720, 46976, 51380, 53582, 57232, 58720, 62720, 65408, 71540, 71932, 81760, 82208, 89915, 93440, 93952, 102760, 107164, 114464, 117440, 130816, 133955, 143080, 143864, 163520, 164416, 179830, 187537, 205520, 214328, 228928, 234880, 267910, 286160, 287728, 327040, 328832, 359660, 375074, 411040, 428656, 457856, 469760, 535820, 572320, 575456, 654080, 657664, 719320, 750148, 822080, 857312, 915712, 937685, 1071640, 1144640, 1150912, 1312759, 1438640, 1500296, 1644160, 1714624, 1875370, 2143280, 2289280, 2301824, 2625518, 2877280, 3000592, 3288320, 3429248, 3750740, 4286560, 4578560, 4603648, 5251036, 5754560, 6001184, 6563795, 6858496, 7501480, 8573120, 10502072, 11509120, 12002368, 13127590, 15002960, 17146240, 21004144, 23018240, 24004736, 26255180, 30005920, 34292480, 42008288, 48009472, 52510360, 60011840, 84016576, 105020720, 120023680, 168033152, 210041440, 240047360, 336066304, 420082880, 840165760, 1680331520]

約数ペア:

[(1, 1680331520), (2, 840165760), (4, 420082880), (5, 336066304), (7, 240047360), (8, 210041440), (10, 168033152), (14, 120023680), (16, 105020720), (20, 84016576), (28, 60011840), (32, 52510360), (35, 48009472), (40, 42008288), (49, 34292480), (56, 30005920), (64, 26255180), (70, 24004736), (73, 23018240), (80, 21004144), (98, 17146240), (112, 15002960), (128, 13127590), (140, 12002368), (146, 11509120), (160, 10502072), (196, 8573120), (224, 7501480), (245, 6858496), (256, 6563795), (280, 6001184), (292, 5754560), (320, 5251036), (365, 4603648), (367, 4578560), (392, 4286560), (448, 3750740), (490, 3429248), (511, 3288320), (560, 3000592), (584, 2877280), (640, 2625518), (730, 2301824), (734, 2289280), (784, 2143280), (896, 1875370), (980, 1714624), (1022, 1644160), (1120, 1500296), (1168, 1438640), (1280, 1312759), (1460, 1150912), (1468, 1144640), (1568, 1071640), (1792, 937685), (1835, 915712), (1960, 857312), (2044, 822080), (2240, 750148), (2336, 719320), (2555, 657664), (2569, 654080), (2920, 575456), (2936, 572320), (3136, 535820), (3577, 469760), (3670, 457856), (3920, 428656), (4088, 411040), (4480, 375074), (4672, 359660), (5110, 328832), (5138, 327040), (5840, 287728), (5872, 286160), (6272, 267910), (7154, 234880), (7340, 228928), (7840, 214328), (8176, 205520), (8960, 187537), (9344, 179830), (10220, 164416), (10276, 163520), (11680, 143864), (11744, 143080), (12544, 133955), (12845, 130816), (14308, 117440), (14680, 114464), (15680, 107164), (16352, 102760), (17885, 93952), (17983, 93440), (18688, 89915), (20440, 82208), (20552, 81760), (23360, 71932), (23488, 71540), (25690, 65408), (26791, 62720), (28616, 58720), (29360, 57232), (31360, 53582), (32704, 51380), (35770, 46976), (35966, 46720), (40880, 41104)]