81603840

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:372

約数の個数: 144

約数和(自身を含む): 264902400

約数和(自身を除く): 183298560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 128, 158, 160, 192, 237, 240, 256, 269, 316, 320, 384, 395, 474, 480, 538, 632, 640, 768, 790, 807, 948, 960, 1076, 1185, 1264, 1280, 1345, 1580, 1614, 1896, 1920, 2152, 2370, 2528, 2690, 3160, 3228, 3792, 3840, 4035, 4304, 4740, 5056, 5380, 6320, 6456, 7584, 8070, 8608, 9480, 10112, 10760, 12640, 12912, 15168, 16140, 17216, 18960, 20224, 21251, 21520, 25280, 25824, 30336, 32280, 34432, 37920, 42502, 43040, 50560, 51648, 60672, 63753, 64560, 68864, 75840, 85004, 86080, 101120, 103296, 106255, 127506, 129120, 151680, 170008, 172160, 206592, 212510, 255012, 258240, 303360, 318765, 340016, 344320, 425020, 510024, 516480, 637530, 680032, 850040, 1020048, 1032960, 1275060, 1360064, 1700080, 2040096, 2550120, 2720128, 3400160, 4080192, 5100240, 5440256, 6800320, 8160384, 10200480, 13600640, 16320768, 20400960, 27201280, 40801920, 81603840]

約数ペア:

[(1, 81603840), (2, 40801920), (3, 27201280), (4, 20400960), (5, 16320768), (6, 13600640), (8, 10200480), (10, 8160384), (12, 6800320), (15, 5440256), (16, 5100240), (20, 4080192), (24, 3400160), (30, 2720128), (32, 2550120), (40, 2040096), (48, 1700080), (60, 1360064), (64, 1275060), (79, 1032960), (80, 1020048), (96, 850040), (120, 680032), (128, 637530), (158, 516480), (160, 510024), (192, 425020), (237, 344320), (240, 340016), (256, 318765), (269, 303360), (316, 258240), (320, 255012), (384, 212510), (395, 206592), (474, 172160), (480, 170008), (538, 151680), (632, 129120), (640, 127506), (768, 106255), (790, 103296), (807, 101120), (948, 86080), (960, 85004), (1076, 75840), (1185, 68864), (1264, 64560), (1280, 63753), (1345, 60672), (1580, 51648), (1614, 50560), (1896, 43040), (1920, 42502), (2152, 37920), (2370, 34432), (2528, 32280), (2690, 30336), (3160, 25824), (3228, 25280), (3792, 21520), (3840, 21251), (4035, 20224), (4304, 18960), (4740, 17216), (5056, 16140), (5380, 15168), (6320, 12912), (6456, 12640), (7584, 10760), (8070, 10112), (8608, 9480)]