91810840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 238878720

約数和(自身を除く): 147067880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 53, 55, 62, 88, 106, 110, 124, 127, 155, 212, 220, 248, 254, 265, 310, 341, 424, 440, 508, 530, 583, 620, 635, 682, 1016, 1060, 1166, 1240, 1270, 1364, 1397, 1643, 1705, 2120, 2332, 2540, 2728, 2794, 2915, 3286, 3410, 3937, 4664, 5080, 5588, 5830, 6572, 6731, 6820, 6985, 7874, 8215, 11176, 11660, 13144, 13462, 13640, 13970, 15748, 16430, 18073, 19685, 23320, 26924, 27940, 31496, 32860, 33655, 36146, 39370, 43307, 53848, 55880, 65720, 67310, 72292, 74041, 78740, 86614, 90365, 134620, 144584, 148082, 157480, 173228, 180730, 208661, 216535, 269240, 296164, 346456, 361460, 370205, 417322, 433070, 592328, 722920, 740410, 834644, 866140, 1043305, 1480820, 1669288, 1732280, 2086610, 2295271, 2961640, 4173220, 4590542, 8346440, 9181084, 11476355, 18362168, 22952710, 45905420, 91810840]

約数ペア:

[(1, 91810840), (2, 45905420), (4, 22952710), (5, 18362168), (8, 11476355), (10, 9181084), (11, 8346440), (20, 4590542), (22, 4173220), (31, 2961640), (40, 2295271), (44, 2086610), (53, 1732280), (55, 1669288), (62, 1480820), (88, 1043305), (106, 866140), (110, 834644), (124, 740410), (127, 722920), (155, 592328), (212, 433070), (220, 417322), (248, 370205), (254, 361460), (265, 346456), (310, 296164), (341, 269240), (424, 216535), (440, 208661), (508, 180730), (530, 173228), (583, 157480), (620, 148082), (635, 144584), (682, 134620), (1016, 90365), (1060, 86614), (1166, 78740), (1240, 74041), (1270, 72292), (1364, 67310), (1397, 65720), (1643, 55880), (1705, 53848), (2120, 43307), (2332, 39370), (2540, 36146), (2728, 33655), (2794, 32860), (2915, 31496), (3286, 27940), (3410, 26924), (3937, 23320), (4664, 19685), (5080, 18073), (5588, 16430), (5830, 15748), (6572, 13970), (6731, 13640), (6820, 13462), (6985, 13144), (7874, 11660), (8215, 11176)]