311180480

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:207

約数の個数: 224

約数和(自身を含む): 873922560

約数和(自身を除く): 562742080

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, 130, 152, 155, 160, 190, 208, 247, 248, 254, 260, 304, 310, 320, 380, 403, 416, 494, 496, 508, 520, 589, 608, 620, 635, 760, 806, 832, 988, 992, 1016, 1040, 1178, 1216, 1235, 1240, 1270, 1520, 1612, 1651, 1976, 1984, 2015, 2032, 2080, 2356, 2413, 2470, 2480, 2540, 2945, 3040, 3224, 3302, 3937, 3952, 4030, 4064, 4160, 4712, 4826, 4940, 4960, 5080, 5890, 6080, 6448, 6604, 7657, 7874, 7904, 8060, 8128, 8255, 9424, 9652, 9880, 9920, 10160, 11780, 12065, 12896, 13208, 15314, 15748, 15808, 16120, 16510, 18848, 19304, 19685, 19760, 20320, 23560, 24130, 25792, 26416, 30628, 31369, 31496, 32240, 33020, 37696, 38285, 38608, 39370, 39520, 40640, 47120, 48260, 51181, 52832, 61256, 62738, 62992, 64480, 66040, 74803, 76570, 77216, 78740, 79040, 94240, 96520, 102362, 105664, 122512, 125476, 125984, 128960, 132080, 149606, 153140, 154432, 156845, 157480, 188480, 193040, 204724, 245024, 250952, 251968, 255905, 264160, 299212, 306280, 313690, 314960, 374015, 386080, 409448, 490048, 501904, 511810, 528320, 598424, 612560, 627380, 629920, 748030, 772160, 818896, 972439, 1003808, 1023620, 1196848, 1225120, 1254760, 1259840, 1496060, 1637792, 1944878, 2007616, 2047240, 2393696, 2450240, 2509520, 2992120, 3275584, 3889756, 4094480, 4787392, 4862195, 5019040, 5984240, 7779512, 8188960, 9724390, 10038080, 11968480, 15559024, 16377920, 19448780, 23936960, 31118048, 38897560, 62236096, 77795120, 155590240, 311180480]

約数ペア:

[(1, 311180480), (2, 155590240), (4, 77795120), (5, 62236096), (8, 38897560), (10, 31118048), (13, 23936960), (16, 19448780), (19, 16377920), (20, 15559024), (26, 11968480), (31, 10038080), (32, 9724390), (38, 8188960), (40, 7779512), (52, 5984240), (62, 5019040), (64, 4862195), (65, 4787392), (76, 4094480), (80, 3889756), (95, 3275584), (104, 2992120), (124, 2509520), (127, 2450240), (130, 2393696), (152, 2047240), (155, 2007616), (160, 1944878), (190, 1637792), (208, 1496060), (247, 1259840), (248, 1254760), (254, 1225120), (260, 1196848), (304, 1023620), (310, 1003808), (320, 972439), (380, 818896), (403, 772160), (416, 748030), (494, 629920), (496, 627380), (508, 612560), (520, 598424), (589, 528320), (608, 511810), (620, 501904), (635, 490048), (760, 409448), (806, 386080), (832, 374015), (988, 314960), (992, 313690), (1016, 306280), (1040, 299212), (1178, 264160), (1216, 255905), (1235, 251968), (1240, 250952), (1270, 245024), (1520, 204724), (1612, 193040), (1651, 188480), (1976, 157480), (1984, 156845), (2015, 154432), (2032, 153140), (2080, 149606), (2356, 132080), (2413, 128960), (2470, 125984), (2480, 125476), (2540, 122512), (2945, 105664), (3040, 102362), (3224, 96520), (3302, 94240), (3937, 79040), (3952, 78740), (4030, 77216), (4064, 76570), (4160, 74803), (4712, 66040), (4826, 64480), (4940, 62992), (4960, 62738), (5080, 61256), (5890, 52832), (6080, 51181), (6448, 48260), (6604, 47120), (7657, 40640), (7874, 39520), (7904, 39370), (8060, 38608), (8128, 38285), (8255, 37696), (9424, 33020), (9652, 32240), (9880, 31496), (9920, 31369), (10160, 30628), (11780, 26416), (12065, 25792), (12896, 24130), (13208, 23560), (15314, 20320), (15748, 19760), (15808, 19685), (16120, 19304), (16510, 18848)]