8587747720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1\times {\mathrm{461}}^1$

素因数の和:767

約数の個数: 128

約数和(自身を含む): 20341601280

約数和(自身を除く): 11753853560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 83, 124, 155, 166, 181, 248, 310, 332, 362, 415, 461, 620, 664, 724, 830, 905, 922, 1240, 1448, 1660, 1810, 1844, 2305, 2573, 3320, 3620, 3688, 4610, 5146, 5611, 7240, 9220, 10292, 11222, 12865, 14291, 15023, 18440, 20584, 22444, 25730, 28055, 28582, 30046, 38263, 44888, 51460, 56110, 57164, 60092, 71455, 75115, 76526, 83441, 102920, 112220, 114328, 120184, 142910, 150230, 153052, 166882, 191315, 224440, 285820, 300460, 306104, 333764, 382630, 417205, 465713, 571640, 600920, 667528, 765260, 834410, 931426, 1186153, 1530520, 1668820, 1862852, 2328565, 2372306, 2586671, 3337640, 3725704, 4657130, 4744612, 5173342, 5930765, 6925603, 9314260, 9489224, 10346684, 11861530, 12933355, 13851206, 18628520, 20693368, 23723060, 25866710, 27702412, 34628015, 47446120, 51733420, 55404824, 69256030, 103466840, 138512060, 214693693, 277024120, 429387386, 858774772, 1073468465, 1717549544, 2146936930, 4293873860, 8587747720]

約数ペア:

[(1, 8587747720), (2, 4293873860), (4, 2146936930), (5, 1717549544), (8, 1073468465), (10, 858774772), (20, 429387386), (31, 277024120), (40, 214693693), (62, 138512060), (83, 103466840), (124, 69256030), (155, 55404824), (166, 51733420), (181, 47446120), (248, 34628015), (310, 27702412), (332, 25866710), (362, 23723060), (415, 20693368), (461, 18628520), (620, 13851206), (664, 12933355), (724, 11861530), (830, 10346684), (905, 9489224), (922, 9314260), (1240, 6925603), (1448, 5930765), (1660, 5173342), (1810, 4744612), (1844, 4657130), (2305, 3725704), (2573, 3337640), (3320, 2586671), (3620, 2372306), (3688, 2328565), (4610, 1862852), (5146, 1668820), (5611, 1530520), (7240, 1186153), (9220, 931426), (10292, 834410), (11222, 765260), (12865, 667528), (14291, 600920), (15023, 571640), (18440, 465713), (20584, 417205), (22444, 382630), (25730, 333764), (28055, 306104), (28582, 300460), (30046, 285820), (38263, 224440), (44888, 191315), (51460, 166882), (56110, 153052), (57164, 150230), (60092, 142910), (71455, 120184), (75115, 114328), (76526, 112220), (83441, 102920)]