64690440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1669}}^1$

素因数の和:1719

約数の個数: 128

約数和(自身を含む): 216432000

約数和(自身を除く): 151741560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 34, 38, 40, 51, 57, 60, 68, 76, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 255, 285, 323, 340, 380, 408, 456, 510, 570, 646, 680, 760, 969, 1020, 1140, 1292, 1615, 1669, 1938, 2040, 2280, 2584, 3230, 3338, 3876, 4845, 5007, 6460, 6676, 7752, 8345, 9690, 10014, 12920, 13352, 16690, 19380, 20028, 25035, 28373, 31711, 33380, 38760, 40056, 50070, 56746, 63422, 66760, 85119, 95133, 100140, 113492, 126844, 141865, 158555, 170238, 190266, 200280, 226984, 253688, 283730, 317110, 340476, 380532, 425595, 475665, 539087, 567460, 634220, 680952, 761064, 851190, 951330, 1078174, 1134920, 1268440, 1617261, 1702380, 1902660, 2156348, 2695435, 3234522, 3404760, 3805320, 4312696, 5390870, 6469044, 8086305, 10781740, 12938088, 16172610, 21563480, 32345220, 64690440]

約数ペア:

[(1, 64690440), (2, 32345220), (3, 21563480), (4, 16172610), (5, 12938088), (6, 10781740), (8, 8086305), (10, 6469044), (12, 5390870), (15, 4312696), (17, 3805320), (19, 3404760), (20, 3234522), (24, 2695435), (30, 2156348), (34, 1902660), (38, 1702380), (40, 1617261), (51, 1268440), (57, 1134920), (60, 1078174), (68, 951330), (76, 851190), (85, 761064), (95, 680952), (102, 634220), (114, 567460), (120, 539087), (136, 475665), (152, 425595), (170, 380532), (190, 340476), (204, 317110), (228, 283730), (255, 253688), (285, 226984), (323, 200280), (340, 190266), (380, 170238), (408, 158555), (456, 141865), (510, 126844), (570, 113492), (646, 100140), (680, 95133), (760, 85119), (969, 66760), (1020, 63422), (1140, 56746), (1292, 50070), (1615, 40056), (1669, 38760), (1938, 33380), (2040, 31711), (2280, 28373), (2584, 25035), (3230, 20028), (3338, 19380), (3876, 16690), (4845, 13352), (5007, 12920), (6460, 10014), (6676, 9690), (7752, 8345)]