1638991440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{317}}^1$

素因数の和:546

約数の個数: 240

約数和(自身を含む): 5683886208

約数和(自身を除く): 4044894768

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 167, 172, 180, 215, 240, 258, 317, 334, 344, 360, 387, 430, 501, 516, 634, 645, 668, 688, 720, 774, 835, 860, 951, 1002, 1032, 1268, 1290, 1336, 1503, 1548, 1585, 1670, 1720, 1902, 1935, 2004, 2064, 2505, 2536, 2580, 2672, 2853, 3006, 3096, 3170, 3340, 3440, 3804, 3870, 4008, 4755, 5010, 5072, 5160, 5706, 6012, 6192, 6340, 6680, 7181, 7515, 7608, 7740, 8016, 9510, 10020, 10320, 11412, 12024, 12680, 13360, 13631, 14265, 14362, 15030, 15216, 15480, 19020, 20040, 21543, 22824, 24048, 25360, 27262, 28530, 28724, 30060, 30960, 35905, 38040, 40080, 40893, 43086, 45648, 52939, 54524, 57060, 57448, 60120, 64629, 68155, 71810, 76080, 81786, 86172, 105878, 107715, 109048, 114120, 114896, 120240, 122679, 129258, 136310, 143620, 158817, 163572, 172344, 204465, 211756, 215430, 218096, 228240, 245358, 258516, 264695, 272620, 287240, 317634, 323145, 327144, 344688, 408930, 423512, 430860, 476451, 490716, 517032, 529390, 545240, 574480, 613395, 635268, 646290, 654288, 794085, 817860, 847024, 861720, 952902, 981432, 1034064, 1058780, 1090480, 1226790, 1270536, 1292580, 1588170, 1635720, 1723440, 1905804, 1962864, 2117560, 2276377, 2382255, 2453580, 2541072, 2585160, 3176340, 3271440, 3811608, 4235120, 4552754, 4764510, 4907160, 5170320, 6352680, 6829131, 7623216, 9105508, 9529020, 9814320, 11381885, 12705360, 13658262, 18211016, 19058040, 20487393, 22763770, 27316524, 34145655, 36422032, 38116080, 40974786, 45527540, 54633048, 68291310, 81949572, 91055080, 102436965, 109266096, 136582620, 163899144, 182110160, 204873930, 273165240, 327798288, 409747860, 546330480, 819495720, 1638991440]

約数ペア:

[(1, 1638991440), (2, 819495720), (3, 546330480), (4, 409747860), (5, 327798288), (6, 273165240), (8, 204873930), (9, 182110160), (10, 163899144), (12, 136582620), (15, 109266096), (16, 102436965), (18, 91055080), (20, 81949572), (24, 68291310), (30, 54633048), (36, 45527540), (40, 40974786), (43, 38116080), (45, 36422032), (48, 34145655), (60, 27316524), (72, 22763770), (80, 20487393), (86, 19058040), (90, 18211016), (120, 13658262), (129, 12705360), (144, 11381885), (167, 9814320), (172, 9529020), (180, 9105508), (215, 7623216), (240, 6829131), (258, 6352680), (317, 5170320), (334, 4907160), (344, 4764510), (360, 4552754), (387, 4235120), (430, 3811608), (501, 3271440), (516, 3176340), (634, 2585160), (645, 2541072), (668, 2453580), (688, 2382255), (720, 2276377), (774, 2117560), (835, 1962864), (860, 1905804), (951, 1723440), (1002, 1635720), (1032, 1588170), (1268, 1292580), (1290, 1270536), (1336, 1226790), (1503, 1090480), (1548, 1058780), (1585, 1034064), (1670, 981432), (1720, 952902), (1902, 861720), (1935, 847024), (2004, 817860), (2064, 794085), (2505, 654288), (2536, 646290), (2580, 635268), (2672, 613395), (2853, 574480), (3006, 545240), (3096, 529390), (3170, 517032), (3340, 490716), (3440, 476451), (3804, 430860), (3870, 423512), (4008, 408930), (4755, 344688), (5010, 327144), (5072, 323145), (5160, 317634), (5706, 287240), (6012, 272620), (6192, 264695), (6340, 258516), (6680, 245358), (7181, 228240), (7515, 218096), (7608, 215430), (7740, 211756), (8016, 204465), (9510, 172344), (10020, 163572), (10320, 158817), (11412, 143620), (12024, 136310), (12680, 129258), (13360, 122679), (13631, 120240), (14265, 114896), (14362, 114120), (15030, 109048), (15216, 107715), (15480, 105878), (19020, 86172), (20040, 81786), (21543, 76080), (22824, 71810), (24048, 68155), (25360, 64629), (27262, 60120), (28530, 57448), (28724, 57060), (30060, 54524), (30960, 52939), (35905, 45648), (38040, 43086), (40080, 40893)]