78435840

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{1459}}^1$

素因数の和:1492

約数の個数: 160

約数和(自身を含む): 286767360

約数和(自身を除く): 208331520

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, 512, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1459, 1536, 1680, 1792, 1920, 2240, 2560, 2688, 2918, 3360, 3584, 3840, 4377, 4480, 5376, 5836, 6720, 7295, 7680, 8754, 8960, 10213, 10752, 11672, 13440, 14590, 17508, 17920, 20426, 21885, 23344, 26880, 29180, 30639, 35016, 40852, 43770, 46688, 51065, 53760, 58360, 61278, 70032, 81704, 87540, 93376, 102130, 116720, 122556, 140064, 153195, 163408, 175080, 186752, 204260, 233440, 245112, 280128, 306390, 326816, 350160, 373504, 408520, 466880, 490224, 560256, 612780, 653632, 700320, 747008, 817040, 933760, 980448, 1120512, 1225560, 1307264, 1400640, 1634080, 1867520, 1960896, 2241024, 2451120, 2614528, 2801280, 3268160, 3735040, 3921792, 4902240, 5229056, 5602560, 6536320, 7843584, 9804480, 11205120, 13072640, 15687168, 19608960, 26145280, 39217920, 78435840]

約数ペア:

[(1, 78435840), (2, 39217920), (3, 26145280), (4, 19608960), (5, 15687168), (6, 13072640), (7, 11205120), (8, 9804480), (10, 7843584), (12, 6536320), (14, 5602560), (15, 5229056), (16, 4902240), (20, 3921792), (21, 3735040), (24, 3268160), (28, 2801280), (30, 2614528), (32, 2451120), (35, 2241024), (40, 1960896), (42, 1867520), (48, 1634080), (56, 1400640), (60, 1307264), (64, 1225560), (70, 1120512), (80, 980448), (84, 933760), (96, 817040), (105, 747008), (112, 700320), (120, 653632), (128, 612780), (140, 560256), (160, 490224), (168, 466880), (192, 408520), (210, 373504), (224, 350160), (240, 326816), (256, 306390), (280, 280128), (320, 245112), (336, 233440), (384, 204260), (420, 186752), (448, 175080), (480, 163408), (512, 153195), (560, 140064), (640, 122556), (672, 116720), (768, 102130), (840, 93376), (896, 87540), (960, 81704), (1120, 70032), (1280, 61278), (1344, 58360), (1459, 53760), (1536, 51065), (1680, 46688), (1792, 43770), (1920, 40852), (2240, 35016), (2560, 30639), (2688, 29180), (2918, 26880), (3360, 23344), (3584, 21885), (3840, 20426), (4377, 17920), (4480, 17508), (5376, 14590), (5836, 13440), (6720, 11672), (7295, 10752), (7680, 10213), (8754, 8960)]