420899360

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:239

約数の個数: 192

約数和(自身を含む): 1184440320

約数和(自身を除く): 763540960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 67, 70, 71, 79, 80, 112, 134, 140, 142, 158, 160, 224, 268, 280, 284, 316, 335, 355, 395, 469, 497, 536, 553, 560, 568, 632, 670, 710, 790, 938, 994, 1072, 1106, 1120, 1136, 1264, 1340, 1420, 1580, 1876, 1988, 2144, 2212, 2272, 2345, 2485, 2528, 2680, 2765, 2840, 3160, 3752, 3976, 4424, 4690, 4757, 4970, 5293, 5360, 5530, 5609, 5680, 6320, 7504, 7952, 8848, 9380, 9514, 9940, 10586, 10720, 11060, 11218, 11360, 12640, 15008, 15904, 17696, 18760, 19028, 19880, 21172, 22120, 22436, 23785, 26465, 28045, 33299, 37051, 37520, 38056, 39263, 39760, 42344, 44240, 44872, 47570, 52930, 56090, 66598, 74102, 75040, 76112, 78526, 79520, 84688, 88480, 89744, 95140, 105860, 112180, 133196, 148204, 152224, 157052, 166495, 169376, 179488, 185255, 190280, 196315, 211720, 224360, 266392, 296408, 314104, 332990, 370510, 375803, 380560, 392630, 423440, 448720, 532784, 592816, 628208, 665980, 741020, 751606, 761120, 785260, 846880, 897440, 1065568, 1185632, 1256416, 1331960, 1482040, 1503212, 1570520, 1879015, 2630621, 2663920, 2964080, 3006424, 3141040, 3758030, 5261242, 5327840, 5928160, 6012848, 6282080, 7516060, 10522484, 12025696, 13153105, 15032120, 21044968, 26306210, 30064240, 42089936, 52612420, 60128480, 84179872, 105224840, 210449680, 420899360]

約数ペア:

[(1, 420899360), (2, 210449680), (4, 105224840), (5, 84179872), (7, 60128480), (8, 52612420), (10, 42089936), (14, 30064240), (16, 26306210), (20, 21044968), (28, 15032120), (32, 13153105), (35, 12025696), (40, 10522484), (56, 7516060), (67, 6282080), (70, 6012848), (71, 5928160), (79, 5327840), (80, 5261242), (112, 3758030), (134, 3141040), (140, 3006424), (142, 2964080), (158, 2663920), (160, 2630621), (224, 1879015), (268, 1570520), (280, 1503212), (284, 1482040), (316, 1331960), (335, 1256416), (355, 1185632), (395, 1065568), (469, 897440), (497, 846880), (536, 785260), (553, 761120), (560, 751606), (568, 741020), (632, 665980), (670, 628208), (710, 592816), (790, 532784), (938, 448720), (994, 423440), (1072, 392630), (1106, 380560), (1120, 375803), (1136, 370510), (1264, 332990), (1340, 314104), (1420, 296408), (1580, 266392), (1876, 224360), (1988, 211720), (2144, 196315), (2212, 190280), (2272, 185255), (2345, 179488), (2485, 169376), (2528, 166495), (2680, 157052), (2765, 152224), (2840, 148204), (3160, 133196), (3752, 112180), (3976, 105860), (4424, 95140), (4690, 89744), (4757, 88480), (4970, 84688), (5293, 79520), (5360, 78526), (5530, 76112), (5609, 75040), (5680, 74102), (6320, 66598), (7504, 56090), (7952, 52930), (8848, 47570), (9380, 44872), (9514, 44240), (9940, 42344), (10586, 39760), (10720, 39263), (11060, 38056), (11218, 37520), (11360, 37051), (12640, 33299), (15008, 28045), (15904, 26465), (17696, 23785), (18760, 22436), (19028, 22120), (19880, 21172)]