2489626880

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{677}}^1$

素因数の和:741

約数の個数: 216

約数和(自身を含む): 6847395912

約数和(自身を除く): 4357769032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 128, 130, 136, 160, 169, 170, 208, 221, 256, 260, 272, 320, 338, 340, 416, 442, 520, 544, 640, 676, 677, 680, 832, 845, 884, 1040, 1088, 1105, 1280, 1352, 1354, 1360, 1664, 1690, 1768, 2080, 2176, 2210, 2704, 2708, 2720, 2873, 3328, 3380, 3385, 3536, 4160, 4352, 4420, 5408, 5416, 5440, 5746, 6760, 6770, 7072, 8320, 8801, 8840, 10816, 10832, 10880, 11492, 11509, 13520, 13540, 14144, 14365, 16640, 17602, 17680, 21632, 21664, 21760, 22984, 23018, 27040, 27080, 28288, 28730, 35204, 35360, 43264, 43328, 44005, 45968, 46036, 54080, 54160, 56576, 57460, 57545, 70408, 70720, 86656, 88010, 91936, 92072, 108160, 108320, 114413, 114920, 115090, 140816, 141440, 149617, 173312, 176020, 183872, 184144, 216320, 216640, 228826, 229840, 230180, 281632, 282880, 299234, 352040, 367744, 368288, 433280, 457652, 459680, 460360, 563264, 572065, 598468, 704080, 735488, 736576, 748085, 866560, 915304, 919360, 920720, 1126528, 1144130, 1196936, 1408160, 1473152, 1496170, 1830608, 1838720, 1841440, 1945021, 2253056, 2288260, 2393872, 2816320, 2946304, 2992340, 3661216, 3677440, 3682880, 3890042, 4576520, 4787744, 5632640, 5984680, 7322432, 7365760, 7780084, 9153040, 9575488, 9725105, 11265280, 11969360, 14644864, 14731520, 15560168, 18306080, 19150976, 19450210, 23938720, 29289728, 31120336, 36612160, 38301952, 38900420, 47877440, 62240672, 73224320, 77800840, 95754880, 124481344, 146448640, 155601680, 191509760, 248962688, 311203360, 497925376, 622406720, 1244813440, 2489626880]

約数ペア:

[(1, 2489626880), (2, 1244813440), (4, 622406720), (5, 497925376), (8, 311203360), (10, 248962688), (13, 191509760), (16, 155601680), (17, 146448640), (20, 124481344), (26, 95754880), (32, 77800840), (34, 73224320), (40, 62240672), (52, 47877440), (64, 38900420), (65, 38301952), (68, 36612160), (80, 31120336), (85, 29289728), (104, 23938720), (128, 19450210), (130, 19150976), (136, 18306080), (160, 15560168), (169, 14731520), (170, 14644864), (208, 11969360), (221, 11265280), (256, 9725105), (260, 9575488), (272, 9153040), (320, 7780084), (338, 7365760), (340, 7322432), (416, 5984680), (442, 5632640), (520, 4787744), (544, 4576520), (640, 3890042), (676, 3682880), (677, 3677440), (680, 3661216), (832, 2992340), (845, 2946304), (884, 2816320), (1040, 2393872), (1088, 2288260), (1105, 2253056), (1280, 1945021), (1352, 1841440), (1354, 1838720), (1360, 1830608), (1664, 1496170), (1690, 1473152), (1768, 1408160), (2080, 1196936), (2176, 1144130), (2210, 1126528), (2704, 920720), (2708, 919360), (2720, 915304), (2873, 866560), (3328, 748085), (3380, 736576), (3385, 735488), (3536, 704080), (4160, 598468), (4352, 572065), (4420, 563264), (5408, 460360), (5416, 459680), (5440, 457652), (5746, 433280), (6760, 368288), (6770, 367744), (7072, 352040), (8320, 299234), (8801, 282880), (8840, 281632), (10816, 230180), (10832, 229840), (10880, 228826), (11492, 216640), (11509, 216320), (13520, 184144), (13540, 183872), (14144, 176020), (14365, 173312), (16640, 149617), (17602, 141440), (17680, 140816), (21632, 115090), (21664, 114920), (21760, 114413), (22984, 108320), (23018, 108160), (27040, 92072), (27080, 91936), (28288, 88010), (28730, 86656), (35204, 70720), (35360, 70408), (43264, 57545), (43328, 57460), (44005, 56576), (45968, 54160), (46036, 54080)]