90440804920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{643}}^1\times {\mathrm{1693}}^1$

素因数の和:2445

約数の個数: 128

約数和(自身を含む): 213648906240

約数和(自身を除く): 123208101320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 67, 124, 134, 155, 248, 268, 310, 335, 536, 620, 643, 670, 1240, 1286, 1340, 1693, 2077, 2572, 2680, 3215, 3386, 4154, 5144, 6430, 6772, 8308, 8465, 10385, 12860, 13544, 16616, 16930, 19933, 20770, 25720, 33860, 39866, 41540, 43081, 52483, 67720, 79732, 83080, 86162, 99665, 104966, 113431, 159464, 172324, 199330, 209932, 215405, 226862, 262415, 344648, 398660, 419864, 430810, 453724, 524830, 567155, 797320, 861620, 907448, 1049660, 1088599, 1134310, 1335511, 1723240, 2099320, 2177198, 2268620, 2671022, 3516361, 4354396, 4537240, 5342044, 5442995, 6677555, 7032722, 8708792, 10684088, 10885990, 13355110, 14065444, 17581805, 21771980, 26710220, 28130888, 33746569, 35163610, 43543960, 53420440, 67493138, 70327220, 72936133, 134986276, 140654440, 145872266, 168732845, 269972552, 291744532, 337465690, 364680665, 583489064, 674931380, 729361330, 1349862760, 1458722660, 2261020123, 2917445320, 4522040246, 9044080492, 11305100615, 18088160984, 22610201230, 45220402460, 90440804920]

約数ペア:

[(1, 90440804920), (2, 45220402460), (4, 22610201230), (5, 18088160984), (8, 11305100615), (10, 9044080492), (20, 4522040246), (31, 2917445320), (40, 2261020123), (62, 1458722660), (67, 1349862760), (124, 729361330), (134, 674931380), (155, 583489064), (248, 364680665), (268, 337465690), (310, 291744532), (335, 269972552), (536, 168732845), (620, 145872266), (643, 140654440), (670, 134986276), (1240, 72936133), (1286, 70327220), (1340, 67493138), (1693, 53420440), (2077, 43543960), (2572, 35163610), (2680, 33746569), (3215, 28130888), (3386, 26710220), (4154, 21771980), (5144, 17581805), (6430, 14065444), (6772, 13355110), (8308, 10885990), (8465, 10684088), (10385, 8708792), (12860, 7032722), (13544, 6677555), (16616, 5442995), (16930, 5342044), (19933, 4537240), (20770, 4354396), (25720, 3516361), (33860, 2671022), (39866, 2268620), (41540, 2177198), (43081, 2099320), (52483, 1723240), (67720, 1335511), (79732, 1134310), (83080, 1088599), (86162, 1049660), (99665, 907448), (104966, 861620), (113431, 797320), (159464, 567155), (172324, 524830), (199330, 453724), (209932, 430810), (215405, 419864), (226862, 398660), (262415, 344648)]