90071680

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:282

約数の個数: 128

約数和(自身を含む): 233539200

約数和(自身を除く): 143467520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 32, 40, 46, 58, 64, 80, 92, 115, 116, 128, 145, 160, 184, 211, 230, 232, 290, 320, 368, 422, 460, 464, 580, 640, 667, 736, 844, 920, 928, 1055, 1160, 1334, 1472, 1688, 1840, 1856, 2110, 2320, 2668, 2944, 3335, 3376, 3680, 3712, 4220, 4640, 4853, 5336, 6119, 6670, 6752, 7360, 8440, 9280, 9706, 10672, 12238, 13340, 13504, 14720, 16880, 18560, 19412, 21344, 24265, 24476, 26680, 27008, 30595, 33760, 38824, 42688, 48530, 48952, 53360, 61190, 67520, 77648, 85376, 97060, 97904, 106720, 122380, 135040, 140737, 155296, 194120, 195808, 213440, 244760, 281474, 310592, 388240, 391616, 426880, 489520, 562948, 621184, 703685, 776480, 783232, 979040, 1125896, 1407370, 1552960, 1958080, 2251792, 2814740, 3105920, 3916160, 4503584, 5629480, 9007168, 11258960, 18014336, 22517920, 45035840, 90071680]

約数ペア:

[(1, 90071680), (2, 45035840), (4, 22517920), (5, 18014336), (8, 11258960), (10, 9007168), (16, 5629480), (20, 4503584), (23, 3916160), (29, 3105920), (32, 2814740), (40, 2251792), (46, 1958080), (58, 1552960), (64, 1407370), (80, 1125896), (92, 979040), (115, 783232), (116, 776480), (128, 703685), (145, 621184), (160, 562948), (184, 489520), (211, 426880), (230, 391616), (232, 388240), (290, 310592), (320, 281474), (368, 244760), (422, 213440), (460, 195808), (464, 194120), (580, 155296), (640, 140737), (667, 135040), (736, 122380), (844, 106720), (920, 97904), (928, 97060), (1055, 85376), (1160, 77648), (1334, 67520), (1472, 61190), (1688, 53360), (1840, 48952), (1856, 48530), (2110, 42688), (2320, 38824), (2668, 33760), (2944, 30595), (3335, 27008), (3376, 26680), (3680, 24476), (3712, 24265), (4220, 21344), (4640, 19412), (4853, 18560), (5336, 16880), (6119, 14720), (6670, 13504), (6752, 13340), (7360, 12238), (8440, 10672), (9280, 9706)]