2784502320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{5839}}^1$

素因数の和:7842

約数の個数: 80

約数和(自身を含む): 8637780480

約数和(自身を除く): 5853278160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1987, 3974, 5839, 5961, 7948, 9935, 11678, 11922, 15896, 17517, 19870, 23356, 23844, 29195, 29805, 31792, 35034, 39740, 46712, 47688, 58390, 59610, 70068, 79480, 87585, 93424, 95376, 116780, 119220, 140136, 158960, 175170, 233560, 238440, 280272, 350340, 467120, 476880, 700680, 1401360, 11602093, 23204186, 34806279, 46408372, 58010465, 69612558, 92816744, 116020930, 139225116, 174031395, 185633488, 232041860, 278450232, 348062790, 464083720, 556900464, 696125580, 928167440, 1392251160, 2784502320]

約数ペア:

[(1, 2784502320), (2, 1392251160), (3, 928167440), (4, 696125580), (5, 556900464), (6, 464083720), (8, 348062790), (10, 278450232), (12, 232041860), (15, 185633488), (16, 174031395), (20, 139225116), (24, 116020930), (30, 92816744), (40, 69612558), (48, 58010465), (60, 46408372), (80, 34806279), (120, 23204186), (240, 11602093), (1987, 1401360), (3974, 700680), (5839, 476880), (5961, 467120), (7948, 350340), (9935, 280272), (11678, 238440), (11922, 233560), (15896, 175170), (17517, 158960), (19870, 140136), (23356, 119220), (23844, 116780), (29195, 95376), (29805, 93424), (31792, 87585), (35034, 79480), (39740, 70068), (46712, 59610), (47688, 58390)]