256118278920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{7211}}^1\times {\mathrm{42283}}^1$

素因数の和:49515

約数の個数: 128

約数和(自身を含む): 878262359040

約数和(自身を除く): 622144080120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 7211, 14422, 21633, 28844, 36055, 42283, 43266, 50477, 57688, 72110, 84566, 86532, 100954, 108165, 126849, 144220, 151431, 169132, 173064, 201908, 211415, 216330, 252385, 253698, 288440, 295981, 302862, 338264, 403816, 422830, 432660, 504770, 507396, 591962, 605724, 634245, 757155, 845660, 865320, 887943, 1009540, 1014792, 1183924, 1211448, 1268490, 1479905, 1514310, 1691320, 1775886, 2019080, 2367848, 2536980, 2959810, 3028620, 3551772, 4439715, 5073960, 5919620, 6057240, 7103544, 8879430, 11839240, 17758860, 35517720, 304902713, 609805426, 914708139, 1219610852, 1524513565, 1829416278, 2134318991, 2439221704, 3049027130, 3658832556, 4268637982, 4573540695, 6098054260, 6402956973, 7317665112, 8537275964, 9147081390, 10671594955, 12196108520, 12805913946, 17074551928, 18294162780, 21343189910, 25611827892, 32014784865, 36588325560, 42686379820, 51223655784, 64029569730, 85372759640, 128059139460, 256118278920]

約数ペア:

[(1, 256118278920), (2, 128059139460), (3, 85372759640), (4, 64029569730), (5, 51223655784), (6, 42686379820), (7, 36588325560), (8, 32014784865), (10, 25611827892), (12, 21343189910), (14, 18294162780), (15, 17074551928), (20, 12805913946), (21, 12196108520), (24, 10671594955), (28, 9147081390), (30, 8537275964), (35, 7317665112), (40, 6402956973), (42, 6098054260), (56, 4573540695), (60, 4268637982), (70, 3658832556), (84, 3049027130), (105, 2439221704), (120, 2134318991), (140, 1829416278), (168, 1524513565), (210, 1219610852), (280, 914708139), (420, 609805426), (840, 304902713), (7211, 35517720), (14422, 17758860), (21633, 11839240), (28844, 8879430), (36055, 7103544), (42283, 6057240), (43266, 5919620), (50477, 5073960), (57688, 4439715), (72110, 3551772), (84566, 3028620), (86532, 2959810), (100954, 2536980), (108165, 2367848), (126849, 2019080), (144220, 1775886), (151431, 1691320), (169132, 1514310), (173064, 1479905), (201908, 1268490), (211415, 1211448), (216330, 1183924), (252385, 1014792), (253698, 1009540), (288440, 887943), (295981, 865320), (302862, 845660), (338264, 757155), (403816, 634245), (422830, 605724), (432660, 591962), (504770, 507396)]