245557440

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:416

約数の個数: 224

約数和(自身を含む): 878189760

約数和(自身を除く): 632632320

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, 64, 72, 80, 90, 96, 97, 108, 120, 135, 144, 160, 180, 192, 194, 216, 240, 270, 288, 291, 293, 320, 360, 388, 432, 480, 485, 540, 576, 582, 586, 720, 776, 864, 873, 879, 960, 970, 1080, 1164, 1172, 1440, 1455, 1465, 1552, 1728, 1746, 1758, 1940, 2160, 2328, 2344, 2619, 2637, 2880, 2910, 2930, 3104, 3492, 3516, 3880, 4320, 4365, 4395, 4656, 4688, 5238, 5274, 5820, 5860, 6208, 6984, 7032, 7760, 7911, 8640, 8730, 8790, 9312, 9376, 10476, 10548, 11640, 11720, 13095, 13185, 13968, 14064, 15520, 15822, 17460, 17580, 18624, 18752, 20952, 21096, 23280, 23440, 26190, 26370, 27936, 28128, 28421, 31040, 31644, 34920, 35160, 39555, 41904, 42192, 46560, 46880, 52380, 52740, 55872, 56256, 56842, 63288, 69840, 70320, 79110, 83808, 84384, 85263, 93120, 93760, 104760, 105480, 113684, 126576, 139680, 140640, 142105, 158220, 167616, 168768, 170526, 209520, 210960, 227368, 253152, 255789, 279360, 281280, 284210, 316440, 341052, 419040, 421920, 426315, 454736, 506304, 511578, 568420, 632880, 682104, 767367, 838080, 843840, 852630, 909472, 1023156, 1136840, 1265760, 1278945, 1364208, 1534734, 1705260, 1818944, 2046312, 2273680, 2531520, 2557890, 2728416, 3069468, 3410520, 3836835, 4092624, 4547360, 5115780, 5456832, 6138936, 6821040, 7673670, 8185248, 9094720, 10231560, 12277872, 13642080, 15347340, 16370496, 20463120, 24555744, 27284160, 30694680, 40926240, 49111488, 61389360, 81852480, 122778720, 245557440]

約数ペア:

[(1, 245557440), (2, 122778720), (3, 81852480), (4, 61389360), (5, 49111488), (6, 40926240), (8, 30694680), (9, 27284160), (10, 24555744), (12, 20463120), (15, 16370496), (16, 15347340), (18, 13642080), (20, 12277872), (24, 10231560), (27, 9094720), (30, 8185248), (32, 7673670), (36, 6821040), (40, 6138936), (45, 5456832), (48, 5115780), (54, 4547360), (60, 4092624), (64, 3836835), (72, 3410520), (80, 3069468), (90, 2728416), (96, 2557890), (97, 2531520), (108, 2273680), (120, 2046312), (135, 1818944), (144, 1705260), (160, 1534734), (180, 1364208), (192, 1278945), (194, 1265760), (216, 1136840), (240, 1023156), (270, 909472), (288, 852630), (291, 843840), (293, 838080), (320, 767367), (360, 682104), (388, 632880), (432, 568420), (480, 511578), (485, 506304), (540, 454736), (576, 426315), (582, 421920), (586, 419040), (720, 341052), (776, 316440), (864, 284210), (873, 281280), (879, 279360), (960, 255789), (970, 253152), (1080, 227368), (1164, 210960), (1172, 209520), (1440, 170526), (1455, 168768), (1465, 167616), (1552, 158220), (1728, 142105), (1746, 140640), (1758, 139680), (1940, 126576), (2160, 113684), (2328, 105480), (2344, 104760), (2619, 93760), (2637, 93120), (2880, 85263), (2910, 84384), (2930, 83808), (3104, 79110), (3492, 70320), (3516, 69840), (3880, 63288), (4320, 56842), (4365, 56256), (4395, 55872), (4656, 52740), (4688, 52380), (5238, 46880), (5274, 46560), (5820, 42192), (5860, 41904), (6208, 39555), (6984, 35160), (7032, 34920), (7760, 31644), (7911, 31040), (8640, 28421), (8730, 28128), (8790, 27936), (9312, 26370), (9376, 26190), (10476, 23440), (10548, 23280), (11640, 21096), (11720, 20952), (13095, 18752), (13185, 18624), (13968, 17580), (14064, 17460), (15520, 15822)]