72945440

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:322

約数の個数: 96

約数和(自身を含む): 181440000

約数和(自身を除く): 108494560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 79, 80, 116, 145, 158, 160, 199, 232, 290, 316, 395, 398, 464, 580, 632, 790, 796, 928, 995, 1160, 1264, 1580, 1592, 1990, 2291, 2320, 2528, 3160, 3184, 3980, 4582, 4640, 5771, 6320, 6368, 7960, 9164, 11455, 11542, 12640, 15721, 15920, 18328, 22910, 23084, 28855, 31442, 31840, 36656, 45820, 46168, 57710, 62884, 73312, 78605, 91640, 92336, 115420, 125768, 157210, 183280, 184672, 230840, 251536, 314420, 366560, 455909, 461680, 503072, 628840, 911818, 923360, 1257680, 1823636, 2279545, 2515360, 3647272, 4559090, 7294544, 9118180, 14589088, 18236360, 36472720, 72945440]

約数ペア:

[(1, 72945440), (2, 36472720), (4, 18236360), (5, 14589088), (8, 9118180), (10, 7294544), (16, 4559090), (20, 3647272), (29, 2515360), (32, 2279545), (40, 1823636), (58, 1257680), (79, 923360), (80, 911818), (116, 628840), (145, 503072), (158, 461680), (160, 455909), (199, 366560), (232, 314420), (290, 251536), (316, 230840), (395, 184672), (398, 183280), (464, 157210), (580, 125768), (632, 115420), (790, 92336), (796, 91640), (928, 78605), (995, 73312), (1160, 62884), (1264, 57710), (1580, 46168), (1592, 45820), (1990, 36656), (2291, 31840), (2320, 31442), (2528, 28855), (3160, 23084), (3184, 22910), (3980, 18328), (4582, 15920), (4640, 15721), (5771, 12640), (6320, 11542), (6368, 11455), (7960, 9164)]