311945920

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1$

素因数の和:459

約数の個数: 224

約数和(自身を含む): 926323776

約数和(自身を除く): 614377856

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 17, 20, 22, 26, 32, 34, 40, 44, 52, 55, 64, 65, 68, 80, 85, 88, 104, 110, 130, 136, 143, 160, 170, 176, 187, 208, 220, 221, 260, 272, 286, 320, 340, 352, 374, 401, 416, 440, 442, 520, 544, 572, 680, 704, 715, 748, 802, 832, 880, 884, 935, 1040, 1088, 1105, 1144, 1360, 1430, 1496, 1604, 1760, 1768, 1870, 2005, 2080, 2210, 2288, 2431, 2720, 2860, 2992, 3208, 3520, 3536, 3740, 4010, 4160, 4411, 4420, 4576, 4862, 5213, 5440, 5720, 5984, 6416, 6817, 7072, 7480, 8020, 8822, 8840, 9152, 9724, 10426, 11440, 11968, 12155, 12832, 13634, 14144, 14960, 16040, 17644, 17680, 19448, 20852, 22055, 22880, 24310, 25664, 26065, 27268, 29920, 32080, 34085, 35288, 35360, 38896, 41704, 44110, 45760, 48620, 52130, 54536, 57343, 59840, 64160, 68170, 70576, 70720, 74987, 77792, 83408, 88220, 88621, 97240, 104260, 109072, 114686, 128320, 136340, 141152, 149974, 155584, 166816, 176440, 177242, 194480, 208520, 218144, 229372, 272680, 282304, 286715, 299948, 333632, 352880, 354484, 374935, 388960, 417040, 436288, 443105, 458744, 545360, 573430, 599896, 705760, 708968, 749870, 777920, 834080, 886210, 917488, 974831, 1090720, 1146860, 1199792, 1411520, 1417936, 1499740, 1668160, 1772420, 1834976, 1949662, 2181440, 2293720, 2399584, 2835872, 2999480, 3544840, 3669952, 3899324, 4587440, 4799168, 4874155, 5671744, 5998960, 7089680, 7798648, 9174880, 9748310, 11997920, 14179360, 15597296, 18349760, 19496620, 23995840, 28358720, 31194592, 38993240, 62389184, 77986480, 155972960, 311945920]

約数ペア:

[(1, 311945920), (2, 155972960), (4, 77986480), (5, 62389184), (8, 38993240), (10, 31194592), (11, 28358720), (13, 23995840), (16, 19496620), (17, 18349760), (20, 15597296), (22, 14179360), (26, 11997920), (32, 9748310), (34, 9174880), (40, 7798648), (44, 7089680), (52, 5998960), (55, 5671744), (64, 4874155), (65, 4799168), (68, 4587440), (80, 3899324), (85, 3669952), (88, 3544840), (104, 2999480), (110, 2835872), (130, 2399584), (136, 2293720), (143, 2181440), (160, 1949662), (170, 1834976), (176, 1772420), (187, 1668160), (208, 1499740), (220, 1417936), (221, 1411520), (260, 1199792), (272, 1146860), (286, 1090720), (320, 974831), (340, 917488), (352, 886210), (374, 834080), (401, 777920), (416, 749870), (440, 708968), (442, 705760), (520, 599896), (544, 573430), (572, 545360), (680, 458744), (704, 443105), (715, 436288), (748, 417040), (802, 388960), (832, 374935), (880, 354484), (884, 352880), (935, 333632), (1040, 299948), (1088, 286715), (1105, 282304), (1144, 272680), (1360, 229372), (1430, 218144), (1496, 208520), (1604, 194480), (1760, 177242), (1768, 176440), (1870, 166816), (2005, 155584), (2080, 149974), (2210, 141152), (2288, 136340), (2431, 128320), (2720, 114686), (2860, 109072), (2992, 104260), (3208, 97240), (3520, 88621), (3536, 88220), (3740, 83408), (4010, 77792), (4160, 74987), (4411, 70720), (4420, 70576), (4576, 68170), (4862, 64160), (5213, 59840), (5440, 57343), (5720, 54536), (5984, 52130), (6416, 48620), (6817, 45760), (7072, 44110), (7480, 41704), (8020, 38896), (8822, 35360), (8840, 35288), (9152, 34085), (9724, 32080), (10426, 29920), (11440, 27268), (11968, 26065), (12155, 25664), (12832, 24310), (13634, 22880), (14144, 22055), (14960, 20852), (16040, 19448), (17644, 17680)]