68445720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:354

約数の個数: 192

約数和(自身を含む): 257325120

約数和(自身を除く): 188879400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 157, 168, 173, 180, 210, 252, 280, 314, 315, 346, 360, 420, 471, 504, 519, 628, 630, 692, 785, 840, 865, 942, 1038, 1099, 1211, 1256, 1260, 1384, 1413, 1557, 1570, 1730, 1884, 2076, 2198, 2355, 2422, 2520, 2595, 2826, 3114, 3140, 3297, 3460, 3633, 3768, 4152, 4396, 4710, 4844, 5190, 5495, 5652, 6055, 6228, 6280, 6594, 6920, 7065, 7266, 7785, 8792, 9420, 9688, 9891, 10380, 10899, 10990, 11304, 12110, 12456, 13188, 14130, 14532, 15570, 16485, 18165, 18840, 19782, 20760, 21798, 21980, 24220, 26376, 27161, 28260, 29064, 31140, 32970, 36330, 39564, 43596, 43960, 48440, 49455, 54322, 54495, 56520, 62280, 65940, 72660, 79128, 81483, 87192, 98910, 108644, 108990, 131880, 135805, 145320, 162966, 190127, 197820, 217288, 217980, 244449, 271610, 325932, 380254, 395640, 407415, 435960, 488898, 543220, 570381, 651864, 760508, 814830, 950635, 977796, 1086440, 1140762, 1222245, 1521016, 1629660, 1711143, 1901270, 1955592, 2281524, 2444490, 2851905, 3259320, 3422286, 3802540, 4563048, 4888980, 5703810, 6844572, 7605080, 8555715, 9777960, 11407620, 13689144, 17111430, 22815240, 34222860, 68445720]

約数ペア:

[(1, 68445720), (2, 34222860), (3, 22815240), (4, 17111430), (5, 13689144), (6, 11407620), (7, 9777960), (8, 8555715), (9, 7605080), (10, 6844572), (12, 5703810), (14, 4888980), (15, 4563048), (18, 3802540), (20, 3422286), (21, 3259320), (24, 2851905), (28, 2444490), (30, 2281524), (35, 1955592), (36, 1901270), (40, 1711143), (42, 1629660), (45, 1521016), (56, 1222245), (60, 1140762), (63, 1086440), (70, 977796), (72, 950635), (84, 814830), (90, 760508), (105, 651864), (120, 570381), (126, 543220), (140, 488898), (157, 435960), (168, 407415), (173, 395640), (180, 380254), (210, 325932), (252, 271610), (280, 244449), (314, 217980), (315, 217288), (346, 197820), (360, 190127), (420, 162966), (471, 145320), (504, 135805), (519, 131880), (628, 108990), (630, 108644), (692, 98910), (785, 87192), (840, 81483), (865, 79128), (942, 72660), (1038, 65940), (1099, 62280), (1211, 56520), (1256, 54495), (1260, 54322), (1384, 49455), (1413, 48440), (1557, 43960), (1570, 43596), (1730, 39564), (1884, 36330), (2076, 32970), (2198, 31140), (2355, 29064), (2422, 28260), (2520, 27161), (2595, 26376), (2826, 24220), (3114, 21980), (3140, 21798), (3297, 20760), (3460, 19782), (3633, 18840), (3768, 18165), (4152, 16485), (4396, 15570), (4710, 14532), (4844, 14130), (5190, 13188), (5495, 12456), (5652, 12110), (6055, 11304), (6228, 10990), (6280, 10899), (6594, 10380), (6920, 9891), (7065, 9688), (7266, 9420), (7785, 8792)]