81524800

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:309

約数の個数: 168

約数和(自身を含む): 238109760

約数和(自身を除く): 156584960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 29, 32, 35, 40, 50, 56, 58, 64, 70, 80, 100, 112, 116, 140, 145, 160, 175, 200, 203, 224, 232, 251, 280, 290, 320, 350, 400, 406, 448, 464, 502, 560, 580, 700, 725, 800, 812, 928, 1004, 1015, 1120, 1160, 1255, 1400, 1450, 1600, 1624, 1757, 1856, 2008, 2030, 2240, 2320, 2510, 2800, 2900, 3248, 3514, 4016, 4060, 4640, 5020, 5075, 5600, 5800, 6275, 6496, 7028, 7279, 8032, 8120, 8785, 9280, 10040, 10150, 11200, 11600, 12550, 12992, 14056, 14558, 16064, 16240, 17570, 20080, 20300, 23200, 25100, 28112, 29116, 32480, 35140, 36395, 40160, 40600, 43925, 46400, 50200, 50953, 56224, 58232, 64960, 70280, 72790, 80320, 81200, 87850, 100400, 101906, 112448, 116464, 140560, 145580, 162400, 175700, 181975, 200800, 203812, 232928, 254765, 281120, 291160, 324800, 351400, 363950, 401600, 407624, 465856, 509530, 562240, 582320, 702800, 727900, 815248, 1019060, 1164640, 1273825, 1405600, 1455800, 1630496, 2038120, 2329280, 2547650, 2811200, 2911600, 3260992, 4076240, 5095300, 5823200, 8152480, 10190600, 11646400, 16304960, 20381200, 40762400, 81524800]

約数ペア:

[(1, 81524800), (2, 40762400), (4, 20381200), (5, 16304960), (7, 11646400), (8, 10190600), (10, 8152480), (14, 5823200), (16, 5095300), (20, 4076240), (25, 3260992), (28, 2911600), (29, 2811200), (32, 2547650), (35, 2329280), (40, 2038120), (50, 1630496), (56, 1455800), (58, 1405600), (64, 1273825), (70, 1164640), (80, 1019060), (100, 815248), (112, 727900), (116, 702800), (140, 582320), (145, 562240), (160, 509530), (175, 465856), (200, 407624), (203, 401600), (224, 363950), (232, 351400), (251, 324800), (280, 291160), (290, 281120), (320, 254765), (350, 232928), (400, 203812), (406, 200800), (448, 181975), (464, 175700), (502, 162400), (560, 145580), (580, 140560), (700, 116464), (725, 112448), (800, 101906), (812, 100400), (928, 87850), (1004, 81200), (1015, 80320), (1120, 72790), (1160, 70280), (1255, 64960), (1400, 58232), (1450, 56224), (1600, 50953), (1624, 50200), (1757, 46400), (1856, 43925), (2008, 40600), (2030, 40160), (2240, 36395), (2320, 35140), (2510, 32480), (2800, 29116), (2900, 28112), (3248, 25100), (3514, 23200), (4016, 20300), (4060, 20080), (4640, 17570), (5020, 16240), (5075, 16064), (5600, 14558), (5800, 14056), (6275, 12992), (6496, 12550), (7028, 11600), (7279, 11200), (8032, 10150), (8120, 10040), (8785, 9280)]