4215440

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 80

約数和(自身を含む): 10713600

約数和(自身を除く): 6498160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 40, 46, 58, 79, 80, 92, 115, 116, 145, 158, 184, 230, 232, 290, 316, 368, 395, 460, 464, 580, 632, 667, 790, 920, 1160, 1264, 1334, 1580, 1817, 1840, 2291, 2320, 2668, 3160, 3335, 3634, 4582, 5336, 6320, 6670, 7268, 9085, 9164, 10672, 11455, 13340, 14536, 18170, 18328, 22910, 26680, 29072, 36340, 36656, 45820, 52693, 53360, 72680, 91640, 105386, 145360, 183280, 210772, 263465, 421544, 526930, 843088, 1053860, 2107720, 4215440]

約数ペア:

[(1, 4215440), (2, 2107720), (4, 1053860), (5, 843088), (8, 526930), (10, 421544), (16, 263465), (20, 210772), (23, 183280), (29, 145360), (40, 105386), (46, 91640), (58, 72680), (79, 53360), (80, 52693), (92, 45820), (115, 36656), (116, 36340), (145, 29072), (158, 26680), (184, 22910), (230, 18328), (232, 18170), (290, 14536), (316, 13340), (368, 11455), (395, 10672), (460, 9164), (464, 9085), (580, 7268), (632, 6670), (667, 6320), (790, 5336), (920, 4582), (1160, 3634), (1264, 3335), (1334, 3160), (1580, 2668), (1817, 2320), (1840, 2291)]