64643928

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:345

約数の個数: 128

約数和(自身を含む): 186624000

約数和(自身を除く): 121980072

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 19, 24, 31, 34, 38, 51, 57, 62, 68, 76, 93, 102, 114, 124, 136, 152, 186, 204, 228, 248, 269, 323, 372, 408, 456, 527, 538, 589, 646, 744, 807, 969, 1054, 1076, 1178, 1292, 1581, 1614, 1767, 1938, 2108, 2152, 2356, 2584, 3162, 3228, 3534, 3876, 4216, 4573, 4712, 5111, 6324, 6456, 7068, 7752, 8339, 9146, 10013, 10222, 12648, 13719, 14136, 15333, 16678, 18292, 20026, 20444, 25017, 27438, 30039, 30666, 33356, 36584, 40052, 40888, 50034, 54876, 60078, 61332, 66712, 80104, 86887, 100068, 109752, 120156, 122664, 141763, 158441, 173774, 200136, 240312, 260661, 283526, 316882, 347548, 425289, 475323, 521322, 567052, 633764, 695096, 850578, 950646, 1042644, 1134104, 1267528, 1701156, 1901292, 2085288, 2693497, 3402312, 3802584, 5386994, 8080491, 10773988, 16160982, 21547976, 32321964, 64643928]

約数ペア:

[(1, 64643928), (2, 32321964), (3, 21547976), (4, 16160982), (6, 10773988), (8, 8080491), (12, 5386994), (17, 3802584), (19, 3402312), (24, 2693497), (31, 2085288), (34, 1901292), (38, 1701156), (51, 1267528), (57, 1134104), (62, 1042644), (68, 950646), (76, 850578), (93, 695096), (102, 633764), (114, 567052), (124, 521322), (136, 475323), (152, 425289), (186, 347548), (204, 316882), (228, 283526), (248, 260661), (269, 240312), (323, 200136), (372, 173774), (408, 158441), (456, 141763), (527, 122664), (538, 120156), (589, 109752), (646, 100068), (744, 86887), (807, 80104), (969, 66712), (1054, 61332), (1076, 60078), (1178, 54876), (1292, 50034), (1581, 40888), (1614, 40052), (1767, 36584), (1938, 33356), (2108, 30666), (2152, 30039), (2356, 27438), (2584, 25017), (3162, 20444), (3228, 20026), (3534, 18292), (3876, 16678), (4216, 15333), (4573, 14136), (4712, 13719), (5111, 12648), (6324, 10222), (6456, 10013), (7068, 9146), (7752, 8339)]