1277687520

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{317}}^1$

素因数の和:655

約数の個数: 240

約数和(自身を含む): 4537941408

約数和(自身を除く): 3260253888

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 311, 317, 324, 360, 405, 432, 480, 540, 622, 634, 648, 720, 810, 864, 933, 951, 1080, 1244, 1268, 1296, 1440, 1555, 1585, 1620, 1866, 1902, 2160, 2488, 2536, 2592, 2799, 2853, 3110, 3170, 3240, 3732, 3804, 4320, 4665, 4755, 4976, 5072, 5598, 5706, 6220, 6340, 6480, 7464, 7608, 8397, 8559, 9330, 9510, 9952, 10144, 11196, 11412, 12440, 12680, 12960, 13995, 14265, 14928, 15216, 16794, 17118, 18660, 19020, 22392, 22824, 24880, 25191, 25360, 25677, 27990, 28530, 29856, 30432, 33588, 34236, 37320, 38040, 41985, 42795, 44784, 45648, 49760, 50382, 50720, 51354, 55980, 57060, 67176, 68472, 74640, 76080, 83970, 85590, 89568, 91296, 98587, 100764, 102708, 111960, 114120, 125955, 128385, 134352, 136944, 149280, 152160, 167940, 171180, 197174, 201528, 205416, 223920, 228240, 251910, 256770, 268704, 273888, 295761, 335880, 342360, 394348, 403056, 410832, 447840, 456480, 492935, 503820, 513540, 591522, 671760, 684720, 788696, 806112, 821664, 887283, 985870, 1007640, 1027080, 1183044, 1343520, 1369440, 1478805, 1577392, 1774566, 1971740, 2015280, 2054160, 2366088, 2661849, 2957610, 3154784, 3549132, 3943480, 4030560, 4108320, 4436415, 4732176, 5323698, 5915220, 7098264, 7886960, 7985547, 8872830, 9464352, 10647396, 11830440, 13309245, 14196528, 15773920, 15971094, 17745660, 21294792, 23660880, 26618490, 28393056, 31942188, 35491320, 39927735, 42589584, 47321760, 53236980, 63884376, 70982640, 79855470, 85179168, 106473960, 127768752, 141965280, 159710940, 212947920, 255537504, 319421880, 425895840, 638843760, 1277687520]

約数ペア:

[(1, 1277687520), (2, 638843760), (3, 425895840), (4, 319421880), (5, 255537504), (6, 212947920), (8, 159710940), (9, 141965280), (10, 127768752), (12, 106473960), (15, 85179168), (16, 79855470), (18, 70982640), (20, 63884376), (24, 53236980), (27, 47321760), (30, 42589584), (32, 39927735), (36, 35491320), (40, 31942188), (45, 28393056), (48, 26618490), (54, 23660880), (60, 21294792), (72, 17745660), (80, 15971094), (81, 15773920), (90, 14196528), (96, 13309245), (108, 11830440), (120, 10647396), (135, 9464352), (144, 8872830), (160, 7985547), (162, 7886960), (180, 7098264), (216, 5915220), (240, 5323698), (270, 4732176), (288, 4436415), (311, 4108320), (317, 4030560), (324, 3943480), (360, 3549132), (405, 3154784), (432, 2957610), (480, 2661849), (540, 2366088), (622, 2054160), (634, 2015280), (648, 1971740), (720, 1774566), (810, 1577392), (864, 1478805), (933, 1369440), (951, 1343520), (1080, 1183044), (1244, 1027080), (1268, 1007640), (1296, 985870), (1440, 887283), (1555, 821664), (1585, 806112), (1620, 788696), (1866, 684720), (1902, 671760), (2160, 591522), (2488, 513540), (2536, 503820), (2592, 492935), (2799, 456480), (2853, 447840), (3110, 410832), (3170, 403056), (3240, 394348), (3732, 342360), (3804, 335880), (4320, 295761), (4665, 273888), (4755, 268704), (4976, 256770), (5072, 251910), (5598, 228240), (5706, 223920), (6220, 205416), (6340, 201528), (6480, 197174), (7464, 171180), (7608, 167940), (8397, 152160), (8559, 149280), (9330, 136944), (9510, 134352), (9952, 128385), (10144, 125955), (11196, 114120), (11412, 111960), (12440, 102708), (12680, 100764), (12960, 98587), (13995, 91296), (14265, 89568), (14928, 85590), (15216, 83970), (16794, 76080), (17118, 74640), (18660, 68472), (19020, 67176), (22392, 57060), (22824, 55980), (24880, 51354), (25191, 50720), (25360, 50382), (25677, 49760), (27990, 45648), (28530, 44784), (29856, 42795), (30432, 41985), (33588, 38040), (34236, 37320)]