20131510380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{339257}}^1$

素因数の和:339335

約数の個数: 96

約数和(自身を含む): 60187083264

約数和(自身を除く): 40055572884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 43, 46, 60, 69, 86, 92, 115, 129, 138, 172, 215, 230, 258, 276, 345, 430, 460, 516, 645, 690, 860, 989, 1290, 1380, 1978, 2580, 2967, 3956, 4945, 5934, 9890, 11868, 14835, 19780, 29670, 59340, 339257, 678514, 1017771, 1357028, 1696285, 2035542, 3392570, 4071084, 5088855, 6785140, 7802911, 10177710, 14588051, 15605822, 20355420, 23408733, 29176102, 31211644, 39014555, 43764153, 46817466, 58352204, 72940255, 78029110, 87528306, 93634932, 117043665, 145880510, 156058220, 175056612, 218820765, 234087330, 291761020, 335525173, 437641530, 468174660, 671050346, 875283060, 1006575519, 1342100692, 1677625865, 2013151038, 3355251730, 4026302076, 5032877595, 6710503460, 10065755190, 20131510380]

約数ペア:

[(1, 20131510380), (2, 10065755190), (3, 6710503460), (4, 5032877595), (5, 4026302076), (6, 3355251730), (10, 2013151038), (12, 1677625865), (15, 1342100692), (20, 1006575519), (23, 875283060), (30, 671050346), (43, 468174660), (46, 437641530), (60, 335525173), (69, 291761020), (86, 234087330), (92, 218820765), (115, 175056612), (129, 156058220), (138, 145880510), (172, 117043665), (215, 93634932), (230, 87528306), (258, 78029110), (276, 72940255), (345, 58352204), (430, 46817466), (460, 43764153), (516, 39014555), (645, 31211644), (690, 29176102), (860, 23408733), (989, 20355420), (1290, 15605822), (1380, 14588051), (1978, 10177710), (2580, 7802911), (2967, 6785140), (3956, 5088855), (4945, 4071084), (5934, 3392570), (9890, 2035542), (11868, 1696285), (14835, 1357028), (19780, 1017771), (29670, 678514), (59340, 339257)]