1645351680

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{61211}}^1$

素因数の和:61242

約数の個数: 144

約数和(自身を含む): 6005631744

約数和(自身を除く): 4360280064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 13440, 26880, 61211, 122422, 183633, 244844, 306055, 367266, 428477, 489688, 612110, 734532, 856954, 918165, 979376, 1224220, 1285431, 1469064, 1713908, 1836330, 1958752, 2142385, 2448440, 2570862, 2938128, 3427816, 3672660, 3917504, 4284770, 4896880, 5141724, 5876256, 6427155, 6855632, 7345320, 7835008, 8569540, 9793760, 10283448, 11752512, 12854310, 13711264, 14690640, 15670016, 17139080, 19587520, 20566896, 23505024, 25708620, 27422528, 29381280, 34278160, 39175040, 41133792, 47010048, 51417240, 54845056, 58762560, 68556320, 78350080, 82267584, 102834480, 109690112, 117525120, 137112640, 164535168, 205668960, 235050240, 274225280, 329070336, 411337920, 548450560, 822675840, 1645351680]

約数ペア:

[(1, 1645351680), (2, 822675840), (3, 548450560), (4, 411337920), (5, 329070336), (6, 274225280), (7, 235050240), (8, 205668960), (10, 164535168), (12, 137112640), (14, 117525120), (15, 109690112), (16, 102834480), (20, 82267584), (21, 78350080), (24, 68556320), (28, 58762560), (30, 54845056), (32, 51417240), (35, 47010048), (40, 41133792), (42, 39175040), (48, 34278160), (56, 29381280), (60, 27422528), (64, 25708620), (70, 23505024), (80, 20566896), (84, 19587520), (96, 17139080), (105, 15670016), (112, 14690640), (120, 13711264), (128, 12854310), (140, 11752512), (160, 10283448), (168, 9793760), (192, 8569540), (210, 7835008), (224, 7345320), (240, 6855632), (256, 6427155), (280, 5876256), (320, 5141724), (336, 4896880), (384, 4284770), (420, 3917504), (448, 3672660), (480, 3427816), (560, 2938128), (640, 2570862), (672, 2448440), (768, 2142385), (840, 1958752), (896, 1836330), (960, 1713908), (1120, 1469064), (1280, 1285431), (1344, 1224220), (1680, 979376), (1792, 918165), (1920, 856954), (2240, 734532), (2688, 612110), (3360, 489688), (3840, 428477), (4480, 367266), (5376, 306055), (6720, 244844), (8960, 183633), (13440, 122422), (26880, 61211)]