31264560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{251}}^1$

素因数の和:443

約数の個数: 120

約数和(自身を含む): 106024464

約数和(自身を除く): 74759904

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 173, 180, 240, 251, 346, 360, 502, 519, 692, 720, 753, 865, 1004, 1038, 1255, 1384, 1506, 1557, 1730, 2008, 2076, 2259, 2510, 2595, 2768, 3012, 3114, 3460, 3765, 4016, 4152, 4518, 5020, 5190, 6024, 6228, 6920, 7530, 7785, 8304, 9036, 10040, 10380, 11295, 12048, 12456, 13840, 15060, 15570, 18072, 20080, 20760, 22590, 24912, 30120, 31140, 36144, 41520, 43423, 45180, 60240, 62280, 86846, 90360, 124560, 130269, 173692, 180720, 217115, 260538, 347384, 390807, 434230, 521076, 651345, 694768, 781614, 868460, 1042152, 1302690, 1563228, 1736920, 1954035, 2084304, 2605380, 3126456, 3473840, 3908070, 5210760, 6252912, 7816140, 10421520, 15632280, 31264560]

約数ペア:

[(1, 31264560), (2, 15632280), (3, 10421520), (4, 7816140), (5, 6252912), (6, 5210760), (8, 3908070), (9, 3473840), (10, 3126456), (12, 2605380), (15, 2084304), (16, 1954035), (18, 1736920), (20, 1563228), (24, 1302690), (30, 1042152), (36, 868460), (40, 781614), (45, 694768), (48, 651345), (60, 521076), (72, 434230), (80, 390807), (90, 347384), (120, 260538), (144, 217115), (173, 180720), (180, 173692), (240, 130269), (251, 124560), (346, 90360), (360, 86846), (502, 62280), (519, 60240), (692, 45180), (720, 43423), (753, 41520), (865, 36144), (1004, 31140), (1038, 30120), (1255, 24912), (1384, 22590), (1506, 20760), (1557, 20080), (1730, 18072), (2008, 15570), (2076, 15060), (2259, 13840), (2510, 12456), (2595, 12048), (2768, 11295), (3012, 10380), (3114, 10040), (3460, 9036), (3765, 8304), (4016, 7785), (4152, 7530), (4518, 6920), (5020, 6228), (5190, 6024)]