191738720

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:149

約数の個数: 144

約数和(自身を含む): 495467280

約数和(自身を除く): 303728560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 43, 58, 62, 80, 86, 116, 124, 145, 155, 160, 172, 215, 232, 248, 290, 310, 344, 430, 464, 496, 580, 620, 688, 860, 899, 928, 961, 992, 1160, 1240, 1247, 1333, 1376, 1720, 1798, 1922, 2320, 2480, 2494, 2666, 3440, 3596, 3844, 4495, 4640, 4805, 4960, 4988, 5332, 6235, 6665, 6880, 7192, 7688, 8990, 9610, 9976, 10664, 12470, 13330, 14384, 15376, 17980, 19220, 19952, 21328, 24940, 26660, 27869, 28768, 30752, 35960, 38440, 38657, 39904, 41323, 42656, 49880, 53320, 55738, 71920, 76880, 77314, 82646, 99760, 106640, 111476, 139345, 143840, 153760, 154628, 165292, 193285, 199520, 206615, 213280, 222952, 278690, 309256, 330584, 386570, 413230, 445904, 557380, 618512, 661168, 773140, 826460, 891808, 1114760, 1198367, 1237024, 1322336, 1546280, 1652920, 2229520, 2396734, 3092560, 3305840, 4459040, 4793468, 5991835, 6185120, 6611680, 9586936, 11983670, 19173872, 23967340, 38347744, 47934680, 95869360, 191738720]

約数ペア:

[(1, 191738720), (2, 95869360), (4, 47934680), (5, 38347744), (8, 23967340), (10, 19173872), (16, 11983670), (20, 9586936), (29, 6611680), (31, 6185120), (32, 5991835), (40, 4793468), (43, 4459040), (58, 3305840), (62, 3092560), (80, 2396734), (86, 2229520), (116, 1652920), (124, 1546280), (145, 1322336), (155, 1237024), (160, 1198367), (172, 1114760), (215, 891808), (232, 826460), (248, 773140), (290, 661168), (310, 618512), (344, 557380), (430, 445904), (464, 413230), (496, 386570), (580, 330584), (620, 309256), (688, 278690), (860, 222952), (899, 213280), (928, 206615), (961, 199520), (992, 193285), (1160, 165292), (1240, 154628), (1247, 153760), (1333, 143840), (1376, 139345), (1720, 111476), (1798, 106640), (1922, 99760), (2320, 82646), (2480, 77314), (2494, 76880), (2666, 71920), (3440, 55738), (3596, 53320), (3844, 49880), (4495, 42656), (4640, 41323), (4805, 39904), (4960, 38657), (4988, 38440), (5332, 35960), (6235, 30752), (6665, 28768), (6880, 27869), (7192, 26660), (7688, 24940), (8990, 21328), (9610, 19952), (9976, 19220), (10664, 17980), (12470, 15376), (13330, 14384)]