1244721920

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:211

約数の個数: 288

約数和(自身を含む): 3516334080

約数和(自身を除く): 2271612160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 32, 38, 40, 52, 62, 64, 65, 76, 80, 95, 104, 124, 127, 128, 130, 152, 155, 160, 190, 208, 247, 248, 254, 256, 260, 304, 310, 320, 380, 403, 416, 494, 496, 508, 520, 589, 608, 620, 635, 640, 760, 806, 832, 988, 992, 1016, 1040, 1178, 1216, 1235, 1240, 1270, 1280, 1520, 1612, 1651, 1664, 1976, 1984, 2015, 2032, 2080, 2356, 2413, 2432, 2470, 2480, 2540, 2945, 3040, 3224, 3302, 3328, 3937, 3952, 3968, 4030, 4064, 4160, 4712, 4826, 4864, 4940, 4960, 5080, 5890, 6080, 6448, 6604, 7657, 7874, 7904, 7936, 8060, 8128, 8255, 8320, 9424, 9652, 9880, 9920, 10160, 11780, 12065, 12160, 12896, 13208, 15314, 15748, 15808, 16120, 16256, 16510, 16640, 18848, 19304, 19685, 19760, 19840, 20320, 23560, 24130, 24320, 25792, 26416, 30628, 31369, 31496, 31616, 32240, 32512, 33020, 37696, 38285, 38608, 39370, 39520, 39680, 40640, 47120, 48260, 51181, 51584, 52832, 61256, 62738, 62992, 63232, 64480, 66040, 74803, 75392, 76570, 77216, 78740, 79040, 81280, 94240, 96520, 102362, 103168, 105664, 122512, 125476, 125984, 128960, 132080, 149606, 150784, 153140, 154432, 156845, 157480, 158080, 162560, 188480, 193040, 204724, 211328, 245024, 250952, 251968, 255905, 257920, 264160, 299212, 306280, 308864, 313690, 314960, 316160, 374015, 376960, 386080, 409448, 422656, 490048, 501904, 503936, 511810, 515840, 528320, 598424, 612560, 617728, 627380, 629920, 748030, 753920, 772160, 818896, 972439, 980096, 1003808, 1007872, 1023620, 1056640, 1196848, 1225120, 1254760, 1259840, 1496060, 1544320, 1637792, 1944878, 1960192, 2007616, 2047240, 2113280, 2393696, 2450240, 2509520, 2519680, 2992120, 3088640, 3275584, 3889756, 4015232, 4094480, 4787392, 4862195, 4900480, 5019040, 5039360, 5984240, 6551168, 7779512, 8030464, 8188960, 9574784, 9724390, 9800960, 10038080, 11968480, 13102336, 15559024, 16377920, 19149568, 19448780, 20076160, 23936960, 31118048, 32755840, 38897560, 40152320, 47873920, 62236096, 65511680, 77795120, 95747840, 124472192, 155590240, 248944384, 311180480, 622360960, 1244721920]

約数ペア:

[(1, 1244721920), (2, 622360960), (4, 311180480), (5, 248944384), (8, 155590240), (10, 124472192), (13, 95747840), (16, 77795120), (19, 65511680), (20, 62236096), (26, 47873920), (31, 40152320), (32, 38897560), (38, 32755840), (40, 31118048), (52, 23936960), (62, 20076160), (64, 19448780), (65, 19149568), (76, 16377920), (80, 15559024), (95, 13102336), (104, 11968480), (124, 10038080), (127, 9800960), (128, 9724390), (130, 9574784), (152, 8188960), (155, 8030464), (160, 7779512), (190, 6551168), (208, 5984240), (247, 5039360), (248, 5019040), (254, 4900480), (256, 4862195), (260, 4787392), (304, 4094480), (310, 4015232), (320, 3889756), (380, 3275584), (403, 3088640), (416, 2992120), (494, 2519680), (496, 2509520), (508, 2450240), (520, 2393696), (589, 2113280), (608, 2047240), (620, 2007616), (635, 1960192), (640, 1944878), (760, 1637792), (806, 1544320), (832, 1496060), (988, 1259840), (992, 1254760), (1016, 1225120), (1040, 1196848), (1178, 1056640), (1216, 1023620), (1235, 1007872), (1240, 1003808), (1270, 980096), (1280, 972439), (1520, 818896), (1612, 772160), (1651, 753920), (1664, 748030), (1976, 629920), (1984, 627380), (2015, 617728), (2032, 612560), (2080, 598424), (2356, 528320), (2413, 515840), (2432, 511810), (2470, 503936), (2480, 501904), (2540, 490048), (2945, 422656), (3040, 409448), (3224, 386080), (3302, 376960), (3328, 374015), (3937, 316160), (3952, 314960), (3968, 313690), (4030, 308864), (4064, 306280), (4160, 299212), (4712, 264160), (4826, 257920), (4864, 255905), (4940, 251968), (4960, 250952), (5080, 245024), (5890, 211328), (6080, 204724), (6448, 193040), (6604, 188480), (7657, 162560), (7874, 158080), (7904, 157480), (7936, 156845), (8060, 154432), (8128, 153140), (8255, 150784), (8320, 149606), (9424, 132080), (9652, 128960), (9880, 125984), (9920, 125476), (10160, 122512), (11780, 105664), (12065, 103168), (12160, 102362), (12896, 96520), (13208, 94240), (15314, 81280), (15748, 79040), (15808, 78740), (16120, 77216), (16256, 76570), (16510, 75392), (16640, 74803), (18848, 66040), (19304, 64480), (19685, 63232), (19760, 62992), (19840, 62738), (20320, 61256), (23560, 52832), (24130, 51584), (24320, 51181), (25792, 48260), (26416, 47120), (30628, 40640), (31369, 39680), (31496, 39520), (31616, 39370), (32240, 38608), (32512, 38285), (33020, 37696)]