47640320

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:450

約数の個数: 144

約数和(自身を含む): 140790720

約数和(自身を除く): 93150400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 280, 320, 364, 409, 416, 448, 455, 520, 560, 640, 728, 818, 832, 896, 910, 1040, 1120, 1280, 1456, 1636, 1664, 1792, 1820, 2045, 2080, 2240, 2863, 2912, 3272, 3328, 3640, 4090, 4160, 4480, 5317, 5726, 5824, 6544, 7280, 8180, 8320, 8960, 10634, 11452, 11648, 13088, 14315, 14560, 16360, 16640, 21268, 22904, 23296, 26176, 26585, 28630, 29120, 32720, 37219, 42536, 45808, 52352, 53170, 57260, 58240, 65440, 74438, 85072, 91616, 104704, 106340, 114520, 116480, 130880, 148876, 170144, 183232, 186095, 212680, 229040, 261760, 297752, 340288, 366464, 372190, 425360, 458080, 523520, 595504, 680576, 732928, 744380, 850720, 916160, 1191008, 1361152, 1488760, 1701440, 1832320, 2382016, 2977520, 3402880, 3664640, 4764032, 5955040, 6805760, 9528064, 11910080, 23820160, 47640320]

約数ペア:

[(1, 47640320), (2, 23820160), (4, 11910080), (5, 9528064), (7, 6805760), (8, 5955040), (10, 4764032), (13, 3664640), (14, 3402880), (16, 2977520), (20, 2382016), (26, 1832320), (28, 1701440), (32, 1488760), (35, 1361152), (40, 1191008), (52, 916160), (56, 850720), (64, 744380), (65, 732928), (70, 680576), (80, 595504), (91, 523520), (104, 458080), (112, 425360), (128, 372190), (130, 366464), (140, 340288), (160, 297752), (182, 261760), (208, 229040), (224, 212680), (256, 186095), (260, 183232), (280, 170144), (320, 148876), (364, 130880), (409, 116480), (416, 114520), (448, 106340), (455, 104704), (520, 91616), (560, 85072), (640, 74438), (728, 65440), (818, 58240), (832, 57260), (896, 53170), (910, 52352), (1040, 45808), (1120, 42536), (1280, 37219), (1456, 32720), (1636, 29120), (1664, 28630), (1792, 26585), (1820, 26176), (2045, 23296), (2080, 22904), (2240, 21268), (2863, 16640), (2912, 16360), (3272, 14560), (3328, 14315), (3640, 13088), (4090, 11648), (4160, 11452), (4480, 10634), (5317, 8960), (5726, 8320), (5824, 8180), (6544, 7280)]