72880528

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:504

約数の個数: 80

約数和(自身を含む): 170008960

約数和(自身を除く): 97128432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 43, 56, 74, 86, 112, 148, 172, 259, 296, 301, 344, 409, 518, 592, 602, 688, 818, 1036, 1204, 1591, 1636, 2072, 2408, 2863, 3182, 3272, 4144, 4816, 5726, 6364, 6544, 11137, 11452, 12728, 15133, 17587, 22274, 22904, 25456, 30266, 35174, 44548, 45808, 60532, 70348, 89096, 105931, 121064, 123109, 140696, 178192, 211862, 242128, 246218, 281392, 423724, 492436, 650719, 847448, 984872, 1301438, 1694896, 1969744, 2602876, 4555033, 5205752, 9110066, 10411504, 18220132, 36440264, 72880528]

約数ペア:

[(1, 72880528), (2, 36440264), (4, 18220132), (7, 10411504), (8, 9110066), (14, 5205752), (16, 4555033), (28, 2602876), (37, 1969744), (43, 1694896), (56, 1301438), (74, 984872), (86, 847448), (112, 650719), (148, 492436), (172, 423724), (259, 281392), (296, 246218), (301, 242128), (344, 211862), (409, 178192), (518, 140696), (592, 123109), (602, 121064), (688, 105931), (818, 89096), (1036, 70348), (1204, 60532), (1591, 45808), (1636, 44548), (2072, 35174), (2408, 30266), (2863, 25456), (3182, 22904), (3272, 22274), (4144, 17587), (4816, 15133), (5726, 12728), (6364, 11452), (6544, 11137)]