27863680

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:246

約数の個数: 128

約数和(自身を含む): 76340880

約数和(自身を除く): 48477200

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, 170, 197, 208, 221, 260, 272, 320, 340, 394, 416, 442, 520, 544, 640, 680, 788, 832, 884, 985, 1040, 1088, 1105, 1360, 1576, 1664, 1768, 1970, 2080, 2176, 2210, 2561, 2720, 3152, 3349, 3536, 3940, 4160, 4420, 5122, 5440, 6304, 6698, 7072, 7880, 8320, 8840, 10244, 10880, 12608, 12805, 13396, 14144, 15760, 16745, 17680, 20488, 25216, 25610, 26792, 28288, 31520, 33490, 35360, 40976, 43537, 51220, 53584, 63040, 66980, 70720, 81952, 87074, 102440, 107168, 126080, 133960, 141440, 163904, 174148, 204880, 214336, 217685, 267920, 327808, 348296, 409760, 428672, 435370, 535840, 696592, 819520, 870740, 1071680, 1393184, 1639040, 1741480, 2143360, 2786368, 3482960, 5572736, 6965920, 13931840, 27863680]

約数ペア:

[(1, 27863680), (2, 13931840), (4, 6965920), (5, 5572736), (8, 3482960), (10, 2786368), (13, 2143360), (16, 1741480), (17, 1639040), (20, 1393184), (26, 1071680), (32, 870740), (34, 819520), (40, 696592), (52, 535840), (64, 435370), (65, 428672), (68, 409760), (80, 348296), (85, 327808), (104, 267920), (128, 217685), (130, 214336), (136, 204880), (160, 174148), (170, 163904), (197, 141440), (208, 133960), (221, 126080), (260, 107168), (272, 102440), (320, 87074), (340, 81952), (394, 70720), (416, 66980), (442, 63040), (520, 53584), (544, 51220), (640, 43537), (680, 40976), (788, 35360), (832, 33490), (884, 31520), (985, 28288), (1040, 26792), (1088, 25610), (1105, 25216), (1360, 20488), (1576, 17680), (1664, 16745), (1768, 15760), (1970, 14144), (2080, 13396), (2176, 12805), (2210, 12608), (2561, 10880), (2720, 10244), (3152, 8840), (3349, 8320), (3536, 7880), (3940, 7072), (4160, 6698), (4420, 6304), (5122, 5440)]