1640601360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2789}}^1$

素因数の和:2870

約数の個数: 240

約数和(自身を含む): 5936673600

約数和(自身を除く): 4296072240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 43, 45, 48, 57, 60, 72, 76, 80, 86, 90, 95, 114, 120, 129, 144, 152, 171, 172, 180, 190, 215, 228, 240, 258, 285, 304, 342, 344, 360, 380, 387, 430, 456, 516, 570, 645, 684, 688, 720, 760, 774, 817, 855, 860, 912, 1032, 1140, 1290, 1368, 1520, 1548, 1634, 1710, 1720, 1935, 2064, 2280, 2451, 2580, 2736, 2789, 3096, 3268, 3420, 3440, 3870, 4085, 4560, 4902, 5160, 5578, 6192, 6536, 6840, 7353, 7740, 8170, 8367, 9804, 10320, 11156, 12255, 13072, 13680, 13945, 14706, 15480, 16340, 16734, 19608, 22312, 24510, 25101, 27890, 29412, 30960, 32680, 33468, 36765, 39216, 41835, 44624, 49020, 50202, 52991, 55780, 58824, 65360, 66936, 73530, 83670, 98040, 100404, 105982, 111560, 117648, 119927, 125505, 133872, 147060, 158973, 167340, 196080, 200808, 211964, 223120, 239854, 251010, 264955, 294120, 317946, 334680, 359781, 401616, 423928, 476919, 479708, 502020, 529910, 588240, 599635, 635892, 669360, 719562, 794865, 847856, 953838, 959416, 1004040, 1059820, 1079343, 1199270, 1271784, 1439124, 1589730, 1798905, 1907676, 1918832, 2008080, 2119640, 2158686, 2278613, 2384595, 2398540, 2543568, 2878248, 3179460, 3597810, 3815352, 4239280, 4317372, 4557226, 4769190, 4797080, 5396715, 5756496, 6358920, 6835839, 7195620, 7630704, 8634744, 9114452, 9538380, 9594160, 10793430, 11393065, 12717840, 13671678, 14391240, 17269488, 18228904, 19076760, 20507517, 21586860, 22786130, 27343356, 28782480, 34179195, 36457808, 38153520, 41015034, 43173720, 45572260, 54686712, 68358390, 82030068, 86347440, 91144520, 102537585, 109373424, 136716780, 164060136, 182289040, 205075170, 273433560, 328120272, 410150340, 546867120, 820300680, 1640601360]

約数ペア:

[(1, 1640601360), (2, 820300680), (3, 546867120), (4, 410150340), (5, 328120272), (6, 273433560), (8, 205075170), (9, 182289040), (10, 164060136), (12, 136716780), (15, 109373424), (16, 102537585), (18, 91144520), (19, 86347440), (20, 82030068), (24, 68358390), (30, 54686712), (36, 45572260), (38, 43173720), (40, 41015034), (43, 38153520), (45, 36457808), (48, 34179195), (57, 28782480), (60, 27343356), (72, 22786130), (76, 21586860), (80, 20507517), (86, 19076760), (90, 18228904), (95, 17269488), (114, 14391240), (120, 13671678), (129, 12717840), (144, 11393065), (152, 10793430), (171, 9594160), (172, 9538380), (180, 9114452), (190, 8634744), (215, 7630704), (228, 7195620), (240, 6835839), (258, 6358920), (285, 5756496), (304, 5396715), (342, 4797080), (344, 4769190), (360, 4557226), (380, 4317372), (387, 4239280), (430, 3815352), (456, 3597810), (516, 3179460), (570, 2878248), (645, 2543568), (684, 2398540), (688, 2384595), (720, 2278613), (760, 2158686), (774, 2119640), (817, 2008080), (855, 1918832), (860, 1907676), (912, 1798905), (1032, 1589730), (1140, 1439124), (1290, 1271784), (1368, 1199270), (1520, 1079343), (1548, 1059820), (1634, 1004040), (1710, 959416), (1720, 953838), (1935, 847856), (2064, 794865), (2280, 719562), (2451, 669360), (2580, 635892), (2736, 599635), (2789, 588240), (3096, 529910), (3268, 502020), (3420, 479708), (3440, 476919), (3870, 423928), (4085, 401616), (4560, 359781), (4902, 334680), (5160, 317946), (5578, 294120), (6192, 264955), (6536, 251010), (6840, 239854), (7353, 223120), (7740, 211964), (8170, 200808), (8367, 196080), (9804, 167340), (10320, 158973), (11156, 147060), (12255, 133872), (13072, 125505), (13680, 119927), (13945, 117648), (14706, 111560), (15480, 105982), (16340, 100404), (16734, 98040), (19608, 83670), (22312, 73530), (24510, 66936), (25101, 65360), (27890, 58824), (29412, 55780), (30960, 52991), (32680, 50202), (33468, 49020), (36765, 44624), (39216, 41835)]