278568108

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:285

約数の個数: 216

約数和(自身を含む): 903791616

約数和(自身を除く): 625223508

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 31, 36, 39, 42, 52, 62, 63, 78, 84, 91, 93, 117, 124, 126, 156, 169, 182, 186, 211, 217, 234, 252, 273, 279, 338, 364, 372, 403, 422, 434, 468, 507, 546, 558, 633, 651, 676, 806, 819, 844, 868, 1014, 1092, 1116, 1183, 1209, 1266, 1302, 1477, 1521, 1612, 1638, 1899, 1953, 2028, 2366, 2418, 2532, 2604, 2743, 2821, 2954, 3042, 3276, 3549, 3627, 3798, 3906, 4431, 4732, 4836, 5239, 5486, 5642, 5908, 6084, 6541, 7098, 7254, 7596, 7812, 8229, 8463, 8862, 10478, 10647, 10972, 11284, 13082, 13293, 14196, 14508, 15717, 16458, 16926, 17724, 19201, 19623, 20956, 21294, 24687, 25389, 26164, 26586, 31434, 32916, 33852, 35659, 36673, 38402, 39246, 42588, 45787, 47151, 49374, 50778, 53172, 57603, 58869, 62868, 71318, 73346, 76804, 78492, 85033, 91574, 94302, 98748, 101556, 106977, 110019, 115206, 117738, 137361, 142636, 146692, 170066, 172809, 183148, 188604, 213954, 220038, 230412, 235476, 249613, 255099, 274722, 320931, 330057, 340132, 345618, 412083, 427908, 440076, 499226, 510198, 549444, 595231, 641862, 660114, 691236, 748839, 765297, 824166, 998452, 1020396, 1105429, 1190462, 1283724, 1320228, 1497678, 1530594, 1648332, 1785693, 2210858, 2246517, 2380924, 2995356, 3061188, 3316287, 3571386, 4421716, 4493034, 5357079, 6632574, 7142772, 7738003, 8986068, 9948861, 10714158, 13265148, 15476006, 19897722, 21428316, 23214009, 30952012, 39795444, 46428018, 69642027, 92856036, 139284054, 278568108]

約数ペア:

[(1, 278568108), (2, 139284054), (3, 92856036), (4, 69642027), (6, 46428018), (7, 39795444), (9, 30952012), (12, 23214009), (13, 21428316), (14, 19897722), (18, 15476006), (21, 13265148), (26, 10714158), (28, 9948861), (31, 8986068), (36, 7738003), (39, 7142772), (42, 6632574), (52, 5357079), (62, 4493034), (63, 4421716), (78, 3571386), (84, 3316287), (91, 3061188), (93, 2995356), (117, 2380924), (124, 2246517), (126, 2210858), (156, 1785693), (169, 1648332), (182, 1530594), (186, 1497678), (211, 1320228), (217, 1283724), (234, 1190462), (252, 1105429), (273, 1020396), (279, 998452), (338, 824166), (364, 765297), (372, 748839), (403, 691236), (422, 660114), (434, 641862), (468, 595231), (507, 549444), (546, 510198), (558, 499226), (633, 440076), (651, 427908), (676, 412083), (806, 345618), (819, 340132), (844, 330057), (868, 320931), (1014, 274722), (1092, 255099), (1116, 249613), (1183, 235476), (1209, 230412), (1266, 220038), (1302, 213954), (1477, 188604), (1521, 183148), (1612, 172809), (1638, 170066), (1899, 146692), (1953, 142636), (2028, 137361), (2366, 117738), (2418, 115206), (2532, 110019), (2604, 106977), (2743, 101556), (2821, 98748), (2954, 94302), (3042, 91574), (3276, 85033), (3549, 78492), (3627, 76804), (3798, 73346), (3906, 71318), (4431, 62868), (4732, 58869), (4836, 57603), (5239, 53172), (5486, 50778), (5642, 49374), (5908, 47151), (6084, 45787), (6541, 42588), (7098, 39246), (7254, 38402), (7596, 36673), (7812, 35659), (8229, 33852), (8463, 32916), (8862, 31434), (10478, 26586), (10647, 26164), (10972, 25389), (11284, 24687), (13082, 21294), (13293, 20956), (14196, 19623), (14508, 19201), (15717, 17724), (16458, 16926)]