189530640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20249}}^1$

素因数の和:20281

約数の個数: 120

約数和(自身を含む): 685503000

約数和(自身を除く): 495972360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 4680, 9360, 20249, 40498, 60747, 80996, 101245, 121494, 161992, 182241, 202490, 242988, 263237, 303735, 323984, 364482, 404980, 485976, 526474, 607470, 728964, 789711, 809960, 911205, 971952, 1052948, 1214940, 1316185, 1457928, 1579422, 1619920, 1822410, 2105896, 2369133, 2429880, 2632370, 2915856, 3158844, 3644820, 3948555, 4211792, 4738266, 4859760, 5264740, 6317688, 7289640, 7897110, 9476532, 10529480, 11845665, 12635376, 14579280, 15794220, 18953064, 21058960, 23691330, 31588440, 37906128, 47382660, 63176880, 94765320, 189530640]

約数ペア:

[(1, 189530640), (2, 94765320), (3, 63176880), (4, 47382660), (5, 37906128), (6, 31588440), (8, 23691330), (9, 21058960), (10, 18953064), (12, 15794220), (13, 14579280), (15, 12635376), (16, 11845665), (18, 10529480), (20, 9476532), (24, 7897110), (26, 7289640), (30, 6317688), (36, 5264740), (39, 4859760), (40, 4738266), (45, 4211792), (48, 3948555), (52, 3644820), (60, 3158844), (65, 2915856), (72, 2632370), (78, 2429880), (80, 2369133), (90, 2105896), (104, 1822410), (117, 1619920), (120, 1579422), (130, 1457928), (144, 1316185), (156, 1214940), (180, 1052948), (195, 971952), (208, 911205), (234, 809960), (240, 789711), (260, 728964), (312, 607470), (360, 526474), (390, 485976), (468, 404980), (520, 364482), (585, 323984), (624, 303735), (720, 263237), (780, 242988), (936, 202490), (1040, 182241), (1170, 161992), (1560, 121494), (1872, 101245), (2340, 80996), (3120, 60747), (4680, 40498), (9360, 20249)]