78666210

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:193

約数の個数: 192

約数和(自身を含む): 250698240

約数和(自身を除く): 172032030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 30, 35, 42, 45, 46, 61, 63, 69, 70, 89, 90, 105, 115, 122, 126, 138, 161, 178, 183, 207, 210, 230, 267, 305, 315, 322, 345, 366, 414, 427, 445, 483, 534, 549, 610, 623, 630, 690, 801, 805, 854, 890, 915, 966, 1035, 1098, 1246, 1281, 1335, 1403, 1449, 1602, 1610, 1830, 1869, 2047, 2070, 2135, 2415, 2562, 2670, 2745, 2806, 2898, 3115, 3738, 3843, 4005, 4094, 4209, 4270, 4830, 5429, 5490, 5607, 6141, 6230, 6405, 7015, 7245, 7686, 8010, 8418, 9345, 9821, 10235, 10858, 11214, 12282, 12627, 12810, 14030, 14329, 14490, 16287, 18423, 18690, 19215, 19642, 20470, 21045, 25254, 27145, 28035, 28658, 29463, 30705, 32574, 36846, 38003, 38430, 42090, 42987, 48861, 49105, 54290, 56070, 58926, 61410, 63135, 71645, 76006, 81435, 85974, 88389, 92115, 97722, 98210, 114009, 124867, 126270, 128961, 143290, 147315, 162870, 176778, 184230, 190015, 214935, 228018, 244305, 249734, 257922, 294630, 342027, 374601, 380030, 429870, 441945, 488610, 570045, 624335, 644805, 684054, 749202, 874069, 883890, 1123803, 1140090, 1248670, 1289610, 1710135, 1748138, 1873005, 2247606, 2622207, 3420270, 3746010, 4370345, 5244414, 5619015, 7866621, 8740690, 11238030, 13111035, 15733242, 26222070, 39333105, 78666210]

約数ペア:

[(1, 78666210), (2, 39333105), (3, 26222070), (5, 15733242), (6, 13111035), (7, 11238030), (9, 8740690), (10, 7866621), (14, 5619015), (15, 5244414), (18, 4370345), (21, 3746010), (23, 3420270), (30, 2622207), (35, 2247606), (42, 1873005), (45, 1748138), (46, 1710135), (61, 1289610), (63, 1248670), (69, 1140090), (70, 1123803), (89, 883890), (90, 874069), (105, 749202), (115, 684054), (122, 644805), (126, 624335), (138, 570045), (161, 488610), (178, 441945), (183, 429870), (207, 380030), (210, 374601), (230, 342027), (267, 294630), (305, 257922), (315, 249734), (322, 244305), (345, 228018), (366, 214935), (414, 190015), (427, 184230), (445, 176778), (483, 162870), (534, 147315), (549, 143290), (610, 128961), (623, 126270), (630, 124867), (690, 114009), (801, 98210), (805, 97722), (854, 92115), (890, 88389), (915, 85974), (966, 81435), (1035, 76006), (1098, 71645), (1246, 63135), (1281, 61410), (1335, 58926), (1403, 56070), (1449, 54290), (1602, 49105), (1610, 48861), (1830, 42987), (1869, 42090), (2047, 38430), (2070, 38003), (2135, 36846), (2415, 32574), (2562, 30705), (2670, 29463), (2745, 28658), (2806, 28035), (2898, 27145), (3115, 25254), (3738, 21045), (3843, 20470), (4005, 19642), (4094, 19215), (4209, 18690), (4270, 18423), (4830, 16287), (5429, 14490), (5490, 14329), (5607, 14030), (6141, 12810), (6230, 12627), (6405, 12282), (7015, 11214), (7245, 10858), (7686, 10235), (8010, 9821), (8418, 9345)]