280673640

素因数分解:

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

素因数の和:20024

約数の個数: 128

約数和(自身を含む): 1007596800

約数和(自身を除く): 726923160

約数列:

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

約数ペア:

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