205281440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{613}}^1$

素因数の和:671

約数の個数: 192

約数和(自身を含む): 623863296

約数和(自身を除く): 418581856

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 32, 35, 40, 46, 52, 56, 65, 70, 80, 91, 92, 104, 112, 115, 130, 140, 160, 161, 182, 184, 208, 224, 230, 260, 280, 299, 322, 364, 368, 416, 455, 460, 520, 560, 598, 613, 644, 728, 736, 805, 910, 920, 1040, 1120, 1196, 1226, 1288, 1456, 1495, 1610, 1820, 1840, 2080, 2093, 2392, 2452, 2576, 2912, 2990, 3065, 3220, 3640, 3680, 4186, 4291, 4784, 4904, 5152, 5980, 6130, 6440, 7280, 7969, 8372, 8582, 9568, 9808, 10465, 11960, 12260, 12880, 14099, 14560, 15938, 16744, 17164, 19616, 20930, 21455, 23920, 24520, 25760, 28198, 31876, 33488, 34328, 39845, 41860, 42910, 47840, 49040, 55783, 56396, 63752, 66976, 68656, 70495, 79690, 83720, 85820, 98080, 98693, 111566, 112792, 127504, 137312, 140990, 159380, 167440, 171640, 183287, 197386, 223132, 225584, 255008, 278915, 281980, 318760, 334880, 343280, 366574, 394772, 446264, 451168, 493465, 557830, 563960, 637520, 686560, 733148, 789544, 892528, 916435, 986930, 1115660, 1127920, 1275040, 1283009, 1466296, 1579088, 1785056, 1832870, 1973860, 2231320, 2255840, 2566018, 2932592, 3158176, 3665740, 3947720, 4462640, 5132036, 5865184, 6415045, 7331480, 7895440, 8925280, 10264072, 12830090, 14662960, 15790880, 20528144, 25660180, 29325920, 41056288, 51320360, 102640720, 205281440]

約数ペア:

[(1, 205281440), (2, 102640720), (4, 51320360), (5, 41056288), (7, 29325920), (8, 25660180), (10, 20528144), (13, 15790880), (14, 14662960), (16, 12830090), (20, 10264072), (23, 8925280), (26, 7895440), (28, 7331480), (32, 6415045), (35, 5865184), (40, 5132036), (46, 4462640), (52, 3947720), (56, 3665740), (65, 3158176), (70, 2932592), (80, 2566018), (91, 2255840), (92, 2231320), (104, 1973860), (112, 1832870), (115, 1785056), (130, 1579088), (140, 1466296), (160, 1283009), (161, 1275040), (182, 1127920), (184, 1115660), (208, 986930), (224, 916435), (230, 892528), (260, 789544), (280, 733148), (299, 686560), (322, 637520), (364, 563960), (368, 557830), (416, 493465), (455, 451168), (460, 446264), (520, 394772), (560, 366574), (598, 343280), (613, 334880), (644, 318760), (728, 281980), (736, 278915), (805, 255008), (910, 225584), (920, 223132), (1040, 197386), (1120, 183287), (1196, 171640), (1226, 167440), (1288, 159380), (1456, 140990), (1495, 137312), (1610, 127504), (1820, 112792), (1840, 111566), (2080, 98693), (2093, 98080), (2392, 85820), (2452, 83720), (2576, 79690), (2912, 70495), (2990, 68656), (3065, 66976), (3220, 63752), (3640, 56396), (3680, 55783), (4186, 49040), (4291, 47840), (4784, 42910), (4904, 41860), (5152, 39845), (5980, 34328), (6130, 33488), (6440, 31876), (7280, 28198), (7969, 25760), (8372, 24520), (8582, 23920), (9568, 21455), (9808, 20930), (10465, 19616), (11960, 17164), (12260, 16744), (12880, 15938), (14099, 14560)]