2556144640

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{977}}^1$

素因数の和:1082

約数の個数: 176

約数和(自身を含む): 7110983232

約数和(自身を除く): 4554838592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 128, 140, 146, 160, 224, 256, 280, 292, 320, 365, 448, 511, 512, 560, 584, 640, 730, 896, 977, 1022, 1024, 1120, 1168, 1280, 1460, 1792, 1954, 2044, 2240, 2336, 2555, 2560, 2920, 3584, 3908, 4088, 4480, 4672, 4885, 5110, 5120, 5840, 6839, 7168, 7816, 8176, 8960, 9344, 9770, 10220, 11680, 13678, 15632, 16352, 17920, 18688, 19540, 20440, 23360, 27356, 31264, 32704, 34195, 35840, 37376, 39080, 40880, 46720, 54712, 62528, 65408, 68390, 71321, 74752, 78160, 81760, 93440, 109424, 125056, 130816, 136780, 142642, 156320, 163520, 186880, 218848, 250112, 261632, 273560, 285284, 312640, 327040, 356605, 373760, 437696, 499247, 500224, 523264, 547120, 570568, 625280, 654080, 713210, 875392, 998494, 1000448, 1094240, 1141136, 1250560, 1308160, 1426420, 1750784, 1996988, 2188480, 2282272, 2496235, 2501120, 2616320, 2852840, 3501568, 3993976, 4376960, 4564544, 4992470, 5002240, 5705680, 7003136, 7987952, 8753920, 9129088, 9984940, 11411360, 15975904, 17507840, 18258176, 19969880, 22822720, 31951808, 35015680, 36516352, 39939760, 45645440, 63903616, 73032704, 79879520, 91290880, 127807232, 159759040, 182581760, 255614464, 319518080, 365163520, 511228928, 639036160, 1278072320, 2556144640]

約数ペア:

[(1, 2556144640), (2, 1278072320), (4, 639036160), (5, 511228928), (7, 365163520), (8, 319518080), (10, 255614464), (14, 182581760), (16, 159759040), (20, 127807232), (28, 91290880), (32, 79879520), (35, 73032704), (40, 63903616), (56, 45645440), (64, 39939760), (70, 36516352), (73, 35015680), (80, 31951808), (112, 22822720), (128, 19969880), (140, 18258176), (146, 17507840), (160, 15975904), (224, 11411360), (256, 9984940), (280, 9129088), (292, 8753920), (320, 7987952), (365, 7003136), (448, 5705680), (511, 5002240), (512, 4992470), (560, 4564544), (584, 4376960), (640, 3993976), (730, 3501568), (896, 2852840), (977, 2616320), (1022, 2501120), (1024, 2496235), (1120, 2282272), (1168, 2188480), (1280, 1996988), (1460, 1750784), (1792, 1426420), (1954, 1308160), (2044, 1250560), (2240, 1141136), (2336, 1094240), (2555, 1000448), (2560, 998494), (2920, 875392), (3584, 713210), (3908, 654080), (4088, 625280), (4480, 570568), (4672, 547120), (4885, 523264), (5110, 500224), (5120, 499247), (5840, 437696), (6839, 373760), (7168, 356605), (7816, 327040), (8176, 312640), (8960, 285284), (9344, 273560), (9770, 261632), (10220, 250112), (11680, 218848), (13678, 186880), (15632, 163520), (16352, 156320), (17920, 142642), (18688, 136780), (19540, 130816), (20440, 125056), (23360, 109424), (27356, 93440), (31264, 81760), (32704, 78160), (34195, 74752), (35840, 71321), (37376, 68390), (39080, 65408), (40880, 62528), (46720, 54712)]