1640386860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1\times {\mathrm{373}}^1$

素因数の和:712

約数の個数: 192

約数和(自身を含む): 5424663552

約数和(自身を除く): 3784276692

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 60, 70, 74, 84, 105, 111, 140, 148, 185, 210, 222, 259, 283, 370, 373, 420, 444, 518, 555, 566, 740, 746, 777, 849, 1036, 1110, 1119, 1132, 1295, 1415, 1492, 1554, 1698, 1865, 1981, 2220, 2238, 2590, 2611, 2830, 3108, 3396, 3730, 3885, 3962, 4245, 4476, 5180, 5222, 5595, 5660, 5943, 7460, 7770, 7833, 7924, 8490, 9905, 10444, 10471, 11190, 11886, 13055, 13801, 15540, 15666, 16980, 19810, 20942, 22380, 23772, 26110, 27602, 29715, 31332, 31413, 39165, 39620, 41403, 41884, 52220, 52355, 55204, 59430, 62826, 69005, 73297, 78330, 82806, 96607, 104710, 105559, 118860, 125652, 138010, 146594, 156660, 157065, 165612, 193214, 207015, 209420, 211118, 219891, 276020, 289821, 293188, 314130, 316677, 366485, 386428, 414030, 422236, 439782, 483035, 527795, 579642, 628260, 633354, 732970, 738913, 828060, 879564, 966070, 1055590, 1099455, 1159284, 1266708, 1449105, 1465940, 1477826, 1583385, 1932140, 2111180, 2198910, 2216739, 2898210, 2955652, 3166770, 3694565, 3905683, 4397820, 4433478, 5796420, 6333540, 7389130, 7811366, 8866956, 11083695, 11717049, 14778260, 15622732, 19528415, 22167390, 23434098, 27339781, 39056830, 44334780, 46868196, 54679562, 58585245, 78113660, 82019343, 109359124, 117170490, 136698905, 164038686, 234340980, 273397810, 328077372, 410096715, 546795620, 820193430, 1640386860]

約数ペア:

[(1, 1640386860), (2, 820193430), (3, 546795620), (4, 410096715), (5, 328077372), (6, 273397810), (7, 234340980), (10, 164038686), (12, 136698905), (14, 117170490), (15, 109359124), (20, 82019343), (21, 78113660), (28, 58585245), (30, 54679562), (35, 46868196), (37, 44334780), (42, 39056830), (60, 27339781), (70, 23434098), (74, 22167390), (84, 19528415), (105, 15622732), (111, 14778260), (140, 11717049), (148, 11083695), (185, 8866956), (210, 7811366), (222, 7389130), (259, 6333540), (283, 5796420), (370, 4433478), (373, 4397820), (420, 3905683), (444, 3694565), (518, 3166770), (555, 2955652), (566, 2898210), (740, 2216739), (746, 2198910), (777, 2111180), (849, 1932140), (1036, 1583385), (1110, 1477826), (1119, 1465940), (1132, 1449105), (1295, 1266708), (1415, 1159284), (1492, 1099455), (1554, 1055590), (1698, 966070), (1865, 879564), (1981, 828060), (2220, 738913), (2238, 732970), (2590, 633354), (2611, 628260), (2830, 579642), (3108, 527795), (3396, 483035), (3730, 439782), (3885, 422236), (3962, 414030), (4245, 386428), (4476, 366485), (5180, 316677), (5222, 314130), (5595, 293188), (5660, 289821), (5943, 276020), (7460, 219891), (7770, 211118), (7833, 209420), (7924, 207015), (8490, 193214), (9905, 165612), (10444, 157065), (10471, 156660), (11190, 146594), (11886, 138010), (13055, 125652), (13801, 118860), (15540, 105559), (15666, 104710), (16980, 96607), (19810, 82806), (20942, 78330), (22380, 73297), (23772, 69005), (26110, 62826), (27602, 59430), (29715, 55204), (31332, 52355), (31413, 52220), (39165, 41884), (39620, 41403)]