161720240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{6337}}^1$

素因数の和:6390

約数の個数: 80

約数和(自身を含む): 424392480

約数和(自身を除く): 262672240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1276, 1595, 2320, 2552, 3190, 5104, 6337, 6380, 12674, 12760, 25348, 25520, 31685, 50696, 63370, 69707, 101392, 126740, 139414, 183773, 253480, 278828, 348535, 367546, 506960, 557656, 697070, 735092, 918865, 1115312, 1394140, 1470184, 1837730, 2021503, 2788280, 2940368, 3675460, 4043006, 5576560, 7350920, 8086012, 10107515, 14701840, 16172024, 20215030, 32344048, 40430060, 80860120, 161720240]

約数ペア:

[(1, 161720240), (2, 80860120), (4, 40430060), (5, 32344048), (8, 20215030), (10, 16172024), (11, 14701840), (16, 10107515), (20, 8086012), (22, 7350920), (29, 5576560), (40, 4043006), (44, 3675460), (55, 2940368), (58, 2788280), (80, 2021503), (88, 1837730), (110, 1470184), (116, 1394140), (145, 1115312), (176, 918865), (220, 735092), (232, 697070), (290, 557656), (319, 506960), (440, 367546), (464, 348535), (580, 278828), (638, 253480), (880, 183773), (1160, 139414), (1276, 126740), (1595, 101392), (2320, 69707), (2552, 63370), (3190, 50696), (5104, 31685), (6337, 25520), (6380, 25348), (12674, 12760)]