311492480

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1291}}^1$

素因数の和:1352

約数の個数: 128

約数和(自身を含む): 830239200

約数和(自身を除く): 518746720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 64, 65, 80, 104, 116, 128, 130, 145, 160, 208, 232, 260, 290, 320, 377, 416, 464, 520, 580, 640, 754, 832, 928, 1040, 1160, 1291, 1508, 1664, 1856, 1885, 2080, 2320, 2582, 3016, 3712, 3770, 4160, 4640, 5164, 6032, 6455, 7540, 8320, 9280, 10328, 12064, 12910, 15080, 16783, 18560, 20656, 24128, 25820, 30160, 33566, 37439, 41312, 48256, 51640, 60320, 67132, 74878, 82624, 83915, 103280, 120640, 134264, 149756, 165248, 167830, 187195, 206560, 241280, 268528, 299512, 335660, 374390, 413120, 486707, 537056, 599024, 671320, 748780, 826240, 973414, 1074112, 1198048, 1342640, 1497560, 1946828, 2148224, 2396096, 2433535, 2685280, 2995120, 3893656, 4792192, 4867070, 5370560, 5990240, 7787312, 9734140, 10741120, 11980480, 15574624, 19468280, 23960960, 31149248, 38936560, 62298496, 77873120, 155746240, 311492480]

約数ペア:

[(1, 311492480), (2, 155746240), (4, 77873120), (5, 62298496), (8, 38936560), (10, 31149248), (13, 23960960), (16, 19468280), (20, 15574624), (26, 11980480), (29, 10741120), (32, 9734140), (40, 7787312), (52, 5990240), (58, 5370560), (64, 4867070), (65, 4792192), (80, 3893656), (104, 2995120), (116, 2685280), (128, 2433535), (130, 2396096), (145, 2148224), (160, 1946828), (208, 1497560), (232, 1342640), (260, 1198048), (290, 1074112), (320, 973414), (377, 826240), (416, 748780), (464, 671320), (520, 599024), (580, 537056), (640, 486707), (754, 413120), (832, 374390), (928, 335660), (1040, 299512), (1160, 268528), (1291, 241280), (1508, 206560), (1664, 187195), (1856, 167830), (1885, 165248), (2080, 149756), (2320, 134264), (2582, 120640), (3016, 103280), (3712, 83915), (3770, 82624), (4160, 74878), (4640, 67132), (5164, 60320), (6032, 51640), (6455, 48256), (7540, 41312), (8320, 37439), (9280, 33566), (10328, 30160), (12064, 25820), (12910, 24128), (15080, 20656), (16783, 18560)]