74207070

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 192

約数和(自身を含む): 236390400

約数和(自身を除く): 162183330

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 71, 79, 90, 98, 105, 126, 135, 142, 147, 158, 189, 210, 213, 237, 245, 270, 294, 315, 355, 378, 395, 426, 441, 474, 490, 497, 553, 630, 639, 710, 711, 735, 790, 882, 945, 994, 1065, 1106, 1185, 1278, 1323, 1422, 1470, 1491, 1659, 1890, 1917, 2130, 2133, 2205, 2370, 2485, 2646, 2765, 2982, 3195, 3318, 3479, 3555, 3834, 3871, 4266, 4410, 4473, 4970, 4977, 5530, 5609, 6390, 6615, 6958, 7110, 7455, 7742, 8295, 8946, 9585, 9954, 10437, 10665, 11218, 11613, 13230, 13419, 14910, 14931, 16590, 16827, 17395, 19170, 19355, 20874, 21330, 22365, 23226, 24885, 26838, 28045, 29862, 31311, 33654, 34790, 34839, 38710, 39263, 44730, 49770, 50481, 52185, 56090, 58065, 62622, 67095, 69678, 74655, 78526, 84135, 93933, 100962, 104370, 104517, 116130, 117789, 134190, 149310, 151443, 156555, 168270, 174195, 187866, 196315, 209034, 235578, 252405, 274841, 302886, 313110, 348390, 353367, 392630, 469665, 504810, 522585, 549682, 588945, 706734, 757215, 824523, 939330, 1045170, 1060101, 1177890, 1374205, 1514430, 1649046, 1766835, 2120202, 2473569, 2748410, 3533670, 4122615, 4947138, 5300505, 7420707, 8245230, 10601010, 12367845, 14841414, 24735690, 37103535, 74207070]

約数ペア:

[(1, 74207070), (2, 37103535), (3, 24735690), (5, 14841414), (6, 12367845), (7, 10601010), (9, 8245230), (10, 7420707), (14, 5300505), (15, 4947138), (18, 4122615), (21, 3533670), (27, 2748410), (30, 2473569), (35, 2120202), (42, 1766835), (45, 1649046), (49, 1514430), (54, 1374205), (63, 1177890), (70, 1060101), (71, 1045170), (79, 939330), (90, 824523), (98, 757215), (105, 706734), (126, 588945), (135, 549682), (142, 522585), (147, 504810), (158, 469665), (189, 392630), (210, 353367), (213, 348390), (237, 313110), (245, 302886), (270, 274841), (294, 252405), (315, 235578), (355, 209034), (378, 196315), (395, 187866), (426, 174195), (441, 168270), (474, 156555), (490, 151443), (497, 149310), (553, 134190), (630, 117789), (639, 116130), (710, 104517), (711, 104370), (735, 100962), (790, 93933), (882, 84135), (945, 78526), (994, 74655), (1065, 69678), (1106, 67095), (1185, 62622), (1278, 58065), (1323, 56090), (1422, 52185), (1470, 50481), (1491, 49770), (1659, 44730), (1890, 39263), (1917, 38710), (2130, 34839), (2133, 34790), (2205, 33654), (2370, 31311), (2485, 29862), (2646, 28045), (2765, 26838), (2982, 24885), (3195, 23226), (3318, 22365), (3479, 21330), (3555, 20874), (3834, 19355), (3871, 19170), (4266, 17395), (4410, 16827), (4473, 16590), (4970, 14931), (4977, 14910), (5530, 13419), (5609, 13230), (6390, 11613), (6615, 11218), (6958, 10665), (7110, 10437), (7455, 9954), (7742, 9585), (8295, 8946)]