254543760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{809}}^1$

素因数の和:870

約数の個数: 240

約数和(自身を含む): 940118400

約数和(自身を除く): 685574640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 23, 24, 30, 36, 38, 40, 45, 46, 48, 57, 60, 69, 72, 76, 80, 90, 92, 95, 114, 115, 120, 138, 144, 152, 171, 180, 184, 190, 207, 228, 230, 240, 276, 285, 304, 342, 345, 360, 368, 380, 414, 437, 456, 460, 552, 570, 684, 690, 720, 760, 809, 828, 855, 874, 912, 920, 1035, 1104, 1140, 1311, 1368, 1380, 1520, 1618, 1656, 1710, 1748, 1840, 2070, 2185, 2280, 2427, 2622, 2736, 2760, 3236, 3312, 3420, 3496, 3933, 4045, 4140, 4370, 4560, 4854, 5244, 5520, 6472, 6555, 6840, 6992, 7281, 7866, 8090, 8280, 8740, 9708, 10488, 12135, 12944, 13110, 13680, 14562, 15371, 15732, 16180, 16560, 17480, 18607, 19416, 19665, 20976, 24270, 26220, 29124, 30742, 31464, 32360, 34960, 36405, 37214, 38832, 39330, 46113, 48540, 52440, 55821, 58248, 61484, 62928, 64720, 72810, 74428, 76855, 78660, 92226, 93035, 97080, 104880, 111642, 116496, 122968, 138339, 145620, 148856, 153710, 157320, 167463, 184452, 186070, 194160, 223284, 230565, 245936, 276678, 279105, 291240, 297712, 307420, 314640, 334926, 353533, 368904, 372140, 446568, 461130, 553356, 558210, 582480, 614840, 669852, 691695, 707066, 737808, 744280, 837315, 893136, 922260, 1060599, 1106712, 1116420, 1229680, 1339704, 1383390, 1414132, 1488560, 1674630, 1767665, 1844520, 2121198, 2213424, 2232840, 2679408, 2766780, 2828264, 3181797, 3349260, 3535330, 3689040, 4242396, 4465680, 5302995, 5533560, 5656528, 6363594, 6698520, 7070660, 8484792, 10605990, 11067120, 12727188, 13397040, 14141320, 15908985, 16969584, 21211980, 25454376, 28282640, 31817970, 42423960, 50908752, 63635940, 84847920, 127271880, 254543760]

約数ペア:

[(1, 254543760), (2, 127271880), (3, 84847920), (4, 63635940), (5, 50908752), (6, 42423960), (8, 31817970), (9, 28282640), (10, 25454376), (12, 21211980), (15, 16969584), (16, 15908985), (18, 14141320), (19, 13397040), (20, 12727188), (23, 11067120), (24, 10605990), (30, 8484792), (36, 7070660), (38, 6698520), (40, 6363594), (45, 5656528), (46, 5533560), (48, 5302995), (57, 4465680), (60, 4242396), (69, 3689040), (72, 3535330), (76, 3349260), (80, 3181797), (90, 2828264), (92, 2766780), (95, 2679408), (114, 2232840), (115, 2213424), (120, 2121198), (138, 1844520), (144, 1767665), (152, 1674630), (171, 1488560), (180, 1414132), (184, 1383390), (190, 1339704), (207, 1229680), (228, 1116420), (230, 1106712), (240, 1060599), (276, 922260), (285, 893136), (304, 837315), (342, 744280), (345, 737808), (360, 707066), (368, 691695), (380, 669852), (414, 614840), (437, 582480), (456, 558210), (460, 553356), (552, 461130), (570, 446568), (684, 372140), (690, 368904), (720, 353533), (760, 334926), (809, 314640), (828, 307420), (855, 297712), (874, 291240), (912, 279105), (920, 276678), (1035, 245936), (1104, 230565), (1140, 223284), (1311, 194160), (1368, 186070), (1380, 184452), (1520, 167463), (1618, 157320), (1656, 153710), (1710, 148856), (1748, 145620), (1840, 138339), (2070, 122968), (2185, 116496), (2280, 111642), (2427, 104880), (2622, 97080), (2736, 93035), (2760, 92226), (3236, 78660), (3312, 76855), (3420, 74428), (3496, 72810), (3933, 64720), (4045, 62928), (4140, 61484), (4370, 58248), (4560, 55821), (4854, 52440), (5244, 48540), (5520, 46113), (6472, 39330), (6555, 38832), (6840, 37214), (6992, 36405), (7281, 34960), (7866, 32360), (8090, 31464), (8280, 30742), (8740, 29124), (9708, 26220), (10488, 24270), (12135, 20976), (12944, 19665), (13110, 19416), (13680, 18607), (14562, 17480), (15371, 16560), (15732, 16180)]