648945960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{11243}}^1$

素因数の和:11307

約数の個数: 128

約数和(自身を含む): 2153450880

約数和(自身を除く): 1504504920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 37, 39, 40, 52, 60, 65, 74, 78, 104, 111, 120, 130, 148, 156, 185, 195, 222, 260, 296, 312, 370, 390, 444, 481, 520, 555, 740, 780, 888, 962, 1110, 1443, 1480, 1560, 1924, 2220, 2405, 2886, 3848, 4440, 4810, 5772, 7215, 9620, 11243, 11544, 14430, 19240, 22486, 28860, 33729, 44972, 56215, 57720, 67458, 89944, 112430, 134916, 146159, 168645, 224860, 269832, 292318, 337290, 415991, 438477, 449720, 584636, 674580, 730795, 831982, 876954, 1169272, 1247973, 1349160, 1461590, 1663964, 1753908, 2079955, 2192385, 2495946, 2923180, 3327928, 3507816, 4159910, 4384770, 4991892, 5407883, 5846360, 6239865, 8319820, 8769540, 9983784, 10815766, 12479730, 16223649, 16639640, 17539080, 21631532, 24959460, 27039415, 32447298, 43263064, 49918920, 54078830, 64894596, 81118245, 108157660, 129789192, 162236490, 216315320, 324472980, 648945960]

約数ペア:

[(1, 648945960), (2, 324472980), (3, 216315320), (4, 162236490), (5, 129789192), (6, 108157660), (8, 81118245), (10, 64894596), (12, 54078830), (13, 49918920), (15, 43263064), (20, 32447298), (24, 27039415), (26, 24959460), (30, 21631532), (37, 17539080), (39, 16639640), (40, 16223649), (52, 12479730), (60, 10815766), (65, 9983784), (74, 8769540), (78, 8319820), (104, 6239865), (111, 5846360), (120, 5407883), (130, 4991892), (148, 4384770), (156, 4159910), (185, 3507816), (195, 3327928), (222, 2923180), (260, 2495946), (296, 2192385), (312, 2079955), (370, 1753908), (390, 1663964), (444, 1461590), (481, 1349160), (520, 1247973), (555, 1169272), (740, 876954), (780, 831982), (888, 730795), (962, 674580), (1110, 584636), (1443, 449720), (1480, 438477), (1560, 415991), (1924, 337290), (2220, 292318), (2405, 269832), (2886, 224860), (3848, 168645), (4440, 146159), (4810, 134916), (5772, 112430), (7215, 89944), (9620, 67458), (11243, 57720), (11544, 56215), (14430, 44972), (19240, 33729), (22486, 28860)]