808736240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:499

約数の個数: 160

約数和(自身を含む): 2165486400

約数和(自身を除く): 1356750160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 149, 170, 208, 221, 260, 272, 298, 307, 340, 442, 520, 596, 614, 680, 745, 884, 1040, 1105, 1192, 1228, 1360, 1490, 1535, 1768, 1937, 2210, 2384, 2456, 2533, 2980, 3070, 3536, 3874, 3991, 4420, 4912, 5066, 5219, 5960, 6140, 7748, 7982, 8840, 9685, 10132, 10438, 11920, 12280, 12665, 15496, 15964, 17680, 19370, 19955, 20264, 20876, 24560, 25330, 26095, 30992, 31928, 32929, 38740, 39910, 40528, 41752, 45743, 50660, 52190, 63856, 65858, 67847, 77480, 79820, 83504, 91486, 101320, 104380, 131716, 135694, 154960, 159640, 164645, 182972, 202640, 208760, 228715, 263432, 271388, 319280, 329290, 339235, 365944, 417520, 457430, 526864, 542776, 594659, 658580, 678470, 731888, 777631, 914860, 1085552, 1189318, 1317160, 1356940, 1555262, 1829720, 2378636, 2634320, 2713880, 2973295, 3110524, 3659440, 3888155, 4757272, 5427760, 5946590, 6221048, 7776310, 9514544, 10109203, 11893180, 12442096, 15552620, 20218406, 23786360, 31105240, 40436812, 47572720, 50546015, 62210480, 80873624, 101092030, 161747248, 202184060, 404368120, 808736240]

約数ペア:

[(1, 808736240), (2, 404368120), (4, 202184060), (5, 161747248), (8, 101092030), (10, 80873624), (13, 62210480), (16, 50546015), (17, 47572720), (20, 40436812), (26, 31105240), (34, 23786360), (40, 20218406), (52, 15552620), (65, 12442096), (68, 11893180), (80, 10109203), (85, 9514544), (104, 7776310), (130, 6221048), (136, 5946590), (149, 5427760), (170, 4757272), (208, 3888155), (221, 3659440), (260, 3110524), (272, 2973295), (298, 2713880), (307, 2634320), (340, 2378636), (442, 1829720), (520, 1555262), (596, 1356940), (614, 1317160), (680, 1189318), (745, 1085552), (884, 914860), (1040, 777631), (1105, 731888), (1192, 678470), (1228, 658580), (1360, 594659), (1490, 542776), (1535, 526864), (1768, 457430), (1937, 417520), (2210, 365944), (2384, 339235), (2456, 329290), (2533, 319280), (2980, 271388), (3070, 263432), (3536, 228715), (3874, 208760), (3991, 202640), (4420, 182972), (4912, 164645), (5066, 159640), (5219, 154960), (5960, 135694), (6140, 131716), (7748, 104380), (7982, 101320), (8840, 91486), (9685, 83504), (10132, 79820), (10438, 77480), (11920, 67847), (12280, 65858), (12665, 63856), (15496, 52190), (15964, 50660), (17680, 45743), (19370, 41752), (19955, 40528), (20264, 39910), (20876, 38740), (24560, 32929), (25330, 31928), (26095, 30992)]