77978880

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{967}}^1$

素因数の和:1001

約数の個数: 216

約数和(自身を含む): 308660352

約数和(自身を除く): 230681472

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 967, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 1934, 2016, 2240, 2304, 2520, 2688, 2880, 2901, 3360, 3840, 3868, 4032, 4480, 4835, 5040, 5376, 5760, 5802, 6720, 6769, 7736, 8064, 8703, 8960, 9670, 10080, 11520, 11604, 13440, 13538, 14505, 15472, 16128, 17406, 19340, 20160, 20307, 23208, 26880, 27076, 29010, 30944, 33845, 34812, 38680, 40320, 40614, 43515, 46416, 54152, 58020, 60921, 61888, 67690, 69624, 77360, 80640, 81228, 87030, 92832, 101535, 108304, 116040, 121842, 123776, 135380, 139248, 154720, 162456, 174060, 185664, 203070, 216608, 232080, 243684, 247552, 270760, 278496, 304605, 309440, 324912, 348120, 371328, 406140, 433216, 464160, 487368, 541520, 556992, 609210, 618880, 649824, 696240, 742656, 812280, 866432, 928320, 974736, 1083040, 1113984, 1218420, 1237760, 1299648, 1392480, 1624560, 1732864, 1856640, 1949472, 2166080, 2227968, 2436840, 2599296, 2784960, 3249120, 3713280, 3898944, 4332160, 4873680, 5198592, 5569920, 6498240, 7797888, 8664320, 9747360, 11139840, 12996480, 15595776, 19494720, 25992960, 38989440, 77978880]

約数ペア:

[(1, 77978880), (2, 38989440), (3, 25992960), (4, 19494720), (5, 15595776), (6, 12996480), (7, 11139840), (8, 9747360), (9, 8664320), (10, 7797888), (12, 6498240), (14, 5569920), (15, 5198592), (16, 4873680), (18, 4332160), (20, 3898944), (21, 3713280), (24, 3249120), (28, 2784960), (30, 2599296), (32, 2436840), (35, 2227968), (36, 2166080), (40, 1949472), (42, 1856640), (45, 1732864), (48, 1624560), (56, 1392480), (60, 1299648), (63, 1237760), (64, 1218420), (70, 1113984), (72, 1083040), (80, 974736), (84, 928320), (90, 866432), (96, 812280), (105, 742656), (112, 696240), (120, 649824), (126, 618880), (128, 609210), (140, 556992), (144, 541520), (160, 487368), (168, 464160), (180, 433216), (192, 406140), (210, 371328), (224, 348120), (240, 324912), (252, 309440), (256, 304605), (280, 278496), (288, 270760), (315, 247552), (320, 243684), (336, 232080), (360, 216608), (384, 203070), (420, 185664), (448, 174060), (480, 162456), (504, 154720), (560, 139248), (576, 135380), (630, 123776), (640, 121842), (672, 116040), (720, 108304), (768, 101535), (840, 92832), (896, 87030), (960, 81228), (967, 80640), (1008, 77360), (1120, 69624), (1152, 67690), (1260, 61888), (1280, 60921), (1344, 58020), (1440, 54152), (1680, 46416), (1792, 43515), (1920, 40614), (1934, 40320), (2016, 38680), (2240, 34812), (2304, 33845), (2520, 30944), (2688, 29010), (2880, 27076), (2901, 26880), (3360, 23208), (3840, 20307), (3868, 20160), (4032, 19340), (4480, 17406), (4835, 16128), (5040, 15472), (5376, 14505), (5760, 13538), (5802, 13440), (6720, 11604), (6769, 11520), (7736, 10080), (8064, 9670), (8703, 8960)]