561347280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19991}}^1$

素因数の和:20026

約数の個数: 160

約数和(自身を含む): 2082366720

約数和(自身を除く): 1521019440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 180, 195, 208, 216, 234, 240, 260, 270, 312, 351, 360, 390, 432, 468, 520, 540, 585, 624, 702, 720, 780, 936, 1040, 1080, 1170, 1404, 1560, 1755, 1872, 2160, 2340, 2808, 3120, 3510, 4680, 5616, 7020, 9360, 14040, 19991, 28080, 39982, 59973, 79964, 99955, 119946, 159928, 179919, 199910, 239892, 259883, 299865, 319856, 359838, 399820, 479784, 519766, 539757, 599730, 719676, 779649, 799640, 899595, 959568, 1039532, 1079514, 1199460, 1299415, 1439352, 1559298, 1599280, 1799190, 2079064, 2159028, 2338947, 2398920, 2598830, 2698785, 2878704, 3118596, 3598380, 3898245, 4158128, 4318056, 4677894, 4797840, 5197660, 5397570, 6237192, 7016841, 7196760, 7796490, 8636112, 9355788, 10395320, 10795140, 11694735, 12474384, 14033682, 14393520, 15592980, 18711576, 20790640, 21590280, 23389470, 28067364, 31185960, 35084205, 37423152, 43180560, 46778940, 56134728, 62371920, 70168410, 93557880, 112269456, 140336820, 187115760, 280673640, 561347280]

約数ペア:

[(1, 561347280), (2, 280673640), (3, 187115760), (4, 140336820), (5, 112269456), (6, 93557880), (8, 70168410), (9, 62371920), (10, 56134728), (12, 46778940), (13, 43180560), (15, 37423152), (16, 35084205), (18, 31185960), (20, 28067364), (24, 23389470), (26, 21590280), (27, 20790640), (30, 18711576), (36, 15592980), (39, 14393520), (40, 14033682), (45, 12474384), (48, 11694735), (52, 10795140), (54, 10395320), (60, 9355788), (65, 8636112), (72, 7796490), (78, 7196760), (80, 7016841), (90, 6237192), (104, 5397570), (108, 5197660), (117, 4797840), (120, 4677894), (130, 4318056), (135, 4158128), (144, 3898245), (156, 3598380), (180, 3118596), (195, 2878704), (208, 2698785), (216, 2598830), (234, 2398920), (240, 2338947), (260, 2159028), (270, 2079064), (312, 1799190), (351, 1599280), (360, 1559298), (390, 1439352), (432, 1299415), (468, 1199460), (520, 1079514), (540, 1039532), (585, 959568), (624, 899595), (702, 799640), (720, 779649), (780, 719676), (936, 599730), (1040, 539757), (1080, 519766), (1170, 479784), (1404, 399820), (1560, 359838), (1755, 319856), (1872, 299865), (2160, 259883), (2340, 239892), (2808, 199910), (3120, 179919), (3510, 159928), (4680, 119946), (5616, 99955), (7020, 79964), (9360, 59973), (14040, 39982), (19991, 28080)]