40801920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:370

約数の個数: 128

約数和(自身を含む): 132192000

約数和(自身を除く): 91390080

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, 269, 316, 320, 384, 395, 474, 480, 538, 632, 640, 790, 807, 948, 960, 1076, 1185, 1264, 1345, 1580, 1614, 1896, 1920, 2152, 2370, 2528, 2690, 3160, 3228, 3792, 4035, 4304, 4740, 5056, 5380, 6320, 6456, 7584, 8070, 8608, 9480, 10112, 10760, 12640, 12912, 15168, 16140, 17216, 18960, 21251, 21520, 25280, 25824, 30336, 32280, 34432, 37920, 42502, 43040, 50560, 51648, 63753, 64560, 75840, 85004, 86080, 103296, 106255, 127506, 129120, 151680, 170008, 172160, 212510, 255012, 258240, 318765, 340016, 425020, 510024, 516480, 637530, 680032, 850040, 1020048, 1275060, 1360064, 1700080, 2040096, 2550120, 2720128, 3400160, 4080192, 5100240, 6800320, 8160384, 10200480, 13600640, 20400960, 40801920]

約数ペア:

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