15557716420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{45541}}^1$

素因数の和:45629

約数の個数: 96

約数和(自身を含む): 36725068800

約数和(自身を除く): 21167352380

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 31, 38, 58, 62, 76, 95, 116, 124, 145, 155, 190, 290, 310, 380, 551, 580, 589, 620, 899, 1102, 1178, 1798, 2204, 2356, 2755, 2945, 3596, 4495, 5510, 5890, 8990, 11020, 11780, 17081, 17980, 34162, 45541, 68324, 85405, 91082, 170810, 182164, 227705, 341620, 455410, 865279, 910820, 1320689, 1411771, 1730558, 2641378, 2823542, 3461116, 4326395, 5282756, 5647084, 6603445, 7058855, 8652790, 13206890, 14117710, 17305580, 25093091, 26413780, 26823649, 28235420, 40941359, 50186182, 53647298, 81882718, 100372364, 107294596, 125465455, 134118245, 163765436, 204706795, 250930910, 268236490, 409413590, 501861820, 536472980, 777885821, 818827180, 1555771642, 3111543284, 3889429105, 7778858210, 15557716420]

約数ペア:

[(1, 15557716420), (2, 7778858210), (4, 3889429105), (5, 3111543284), (10, 1555771642), (19, 818827180), (20, 777885821), (29, 536472980), (31, 501861820), (38, 409413590), (58, 268236490), (62, 250930910), (76, 204706795), (95, 163765436), (116, 134118245), (124, 125465455), (145, 107294596), (155, 100372364), (190, 81882718), (290, 53647298), (310, 50186182), (380, 40941359), (551, 28235420), (580, 26823649), (589, 26413780), (620, 25093091), (899, 17305580), (1102, 14117710), (1178, 13206890), (1798, 8652790), (2204, 7058855), (2356, 6603445), (2755, 5647084), (2945, 5282756), (3596, 4326395), (4495, 3461116), (5510, 2823542), (5890, 2641378), (8990, 1730558), (11020, 1411771), (11780, 1320689), (17081, 910820), (17980, 865279), (34162, 455410), (45541, 341620), (68324, 227705), (85405, 182164), (91082, 170810)]