221690560

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:391

約数の個数: 224

約数和(自身を含む): 680020992

約数和(自身を除く): 458330432

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 32, 35, 40, 46, 52, 56, 64, 65, 70, 80, 91, 92, 104, 112, 115, 130, 140, 160, 161, 182, 184, 208, 224, 230, 260, 280, 299, 320, 322, 331, 364, 368, 416, 448, 455, 460, 520, 560, 598, 644, 662, 728, 736, 805, 832, 910, 920, 1040, 1120, 1196, 1288, 1324, 1456, 1472, 1495, 1610, 1655, 1820, 1840, 2080, 2093, 2240, 2317, 2392, 2576, 2648, 2912, 2990, 3220, 3310, 3640, 3680, 4160, 4186, 4303, 4634, 4784, 5152, 5296, 5824, 5980, 6440, 6620, 7280, 7360, 7613, 8372, 8606, 9268, 9568, 10304, 10465, 10592, 11585, 11960, 12880, 13240, 14560, 15226, 16744, 17212, 18536, 19136, 20930, 21184, 21515, 23170, 23920, 25760, 26480, 29120, 30121, 30452, 33488, 34424, 37072, 38065, 41860, 43030, 46340, 47840, 51520, 52960, 53291, 60242, 60904, 66976, 68848, 74144, 76130, 83720, 86060, 92680, 95680, 98969, 105920, 106582, 120484, 121808, 133952, 137696, 148288, 150605, 152260, 167440, 172120, 185360, 197938, 213164, 240968, 243616, 266455, 275392, 301210, 304520, 334880, 344240, 370720, 395876, 426328, 481936, 487232, 494845, 532910, 602420, 609040, 669760, 688480, 692783, 741440, 791752, 852656, 963872, 989690, 1065820, 1204840, 1218080, 1376960, 1385566, 1583504, 1705312, 1927744, 1979380, 2131640, 2409680, 2436160, 2771132, 3167008, 3410624, 3463915, 3958760, 4263280, 4819360, 5542264, 6334016, 6927830, 7917520, 8526560, 9638720, 11084528, 13855660, 15835040, 17053120, 22169056, 27711320, 31670080, 44338112, 55422640, 110845280, 221690560]

約数ペア:

[(1, 221690560), (2, 110845280), (4, 55422640), (5, 44338112), (7, 31670080), (8, 27711320), (10, 22169056), (13, 17053120), (14, 15835040), (16, 13855660), (20, 11084528), (23, 9638720), (26, 8526560), (28, 7917520), (32, 6927830), (35, 6334016), (40, 5542264), (46, 4819360), (52, 4263280), (56, 3958760), (64, 3463915), (65, 3410624), (70, 3167008), (80, 2771132), (91, 2436160), (92, 2409680), (104, 2131640), (112, 1979380), (115, 1927744), (130, 1705312), (140, 1583504), (160, 1385566), (161, 1376960), (182, 1218080), (184, 1204840), (208, 1065820), (224, 989690), (230, 963872), (260, 852656), (280, 791752), (299, 741440), (320, 692783), (322, 688480), (331, 669760), (364, 609040), (368, 602420), (416, 532910), (448, 494845), (455, 487232), (460, 481936), (520, 426328), (560, 395876), (598, 370720), (644, 344240), (662, 334880), (728, 304520), (736, 301210), (805, 275392), (832, 266455), (910, 243616), (920, 240968), (1040, 213164), (1120, 197938), (1196, 185360), (1288, 172120), (1324, 167440), (1456, 152260), (1472, 150605), (1495, 148288), (1610, 137696), (1655, 133952), (1820, 121808), (1840, 120484), (2080, 106582), (2093, 105920), (2240, 98969), (2317, 95680), (2392, 92680), (2576, 86060), (2648, 83720), (2912, 76130), (2990, 74144), (3220, 68848), (3310, 66976), (3640, 60904), (3680, 60242), (4160, 53291), (4186, 52960), (4303, 51520), (4634, 47840), (4784, 46340), (5152, 43030), (5296, 41860), (5824, 38065), (5980, 37072), (6440, 34424), (6620, 33488), (7280, 30452), (7360, 30121), (7613, 29120), (8372, 26480), (8606, 25760), (9268, 23920), (9568, 23170), (10304, 21515), (10465, 21184), (10592, 20930), (11585, 19136), (11960, 18536), (12880, 17212), (13240, 16744), (14560, 15226)]