18555543040

素因数分解:

$2^9\times 5^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1\times {\mathrm{277}}^1$

素因数の和:628

約数の個数: 160

約数和(自身を含む): 45211820544

約数和(自身を除く): 26656277504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 191, 256, 274, 277, 320, 382, 512, 548, 554, 640, 685, 764, 955, 1096, 1108, 1280, 1370, 1385, 1528, 1910, 2192, 2216, 2560, 2740, 2770, 3056, 3820, 4384, 4432, 5480, 5540, 6112, 7640, 8768, 8864, 10960, 11080, 12224, 15280, 17536, 17728, 21920, 22160, 24448, 26167, 30560, 35072, 35456, 37949, 43840, 44320, 48896, 52334, 52907, 61120, 70144, 70912, 75898, 87680, 88640, 97792, 104668, 105814, 122240, 130835, 141824, 151796, 175360, 177280, 189745, 209336, 211628, 244480, 261670, 264535, 303592, 350720, 354560, 379490, 418672, 423256, 488960, 523340, 529070, 607184, 709120, 758980, 837344, 846512, 1046680, 1058140, 1214368, 1517960, 1674688, 1693024, 2093360, 2116280, 2428736, 3035920, 3349376, 3386048, 4186720, 4232560, 4857472, 6071840, 6698752, 6772096, 7248259, 8373440, 8465120, 9714944, 12143680, 13397504, 13544192, 14496518, 16746880, 16930240, 19429888, 24287360, 27088384, 28993036, 33493760, 33860480, 36241295, 48574720, 57986072, 66987520, 67720960, 72482590, 97149440, 115972144, 135441920, 144965180, 231944288, 289930360, 463888576, 579860720, 927777152, 1159721440, 1855554304, 2319442880, 3711108608, 4638885760, 9277771520, 18555543040]

約数ペア:

[(1, 18555543040), (2, 9277771520), (4, 4638885760), (5, 3711108608), (8, 2319442880), (10, 1855554304), (16, 1159721440), (20, 927777152), (32, 579860720), (40, 463888576), (64, 289930360), (80, 231944288), (128, 144965180), (137, 135441920), (160, 115972144), (191, 97149440), (256, 72482590), (274, 67720960), (277, 66987520), (320, 57986072), (382, 48574720), (512, 36241295), (548, 33860480), (554, 33493760), (640, 28993036), (685, 27088384), (764, 24287360), (955, 19429888), (1096, 16930240), (1108, 16746880), (1280, 14496518), (1370, 13544192), (1385, 13397504), (1528, 12143680), (1910, 9714944), (2192, 8465120), (2216, 8373440), (2560, 7248259), (2740, 6772096), (2770, 6698752), (3056, 6071840), (3820, 4857472), (4384, 4232560), (4432, 4186720), (5480, 3386048), (5540, 3349376), (6112, 3035920), (7640, 2428736), (8768, 2116280), (8864, 2093360), (10960, 1693024), (11080, 1674688), (12224, 1517960), (15280, 1214368), (17536, 1058140), (17728, 1046680), (21920, 846512), (22160, 837344), (24448, 758980), (26167, 709120), (30560, 607184), (35072, 529070), (35456, 523340), (37949, 488960), (43840, 423256), (44320, 418672), (48896, 379490), (52334, 354560), (52907, 350720), (61120, 303592), (70144, 264535), (70912, 261670), (75898, 244480), (87680, 211628), (88640, 209336), (97792, 189745), (104668, 177280), (105814, 175360), (122240, 151796), (130835, 141824)]