201755680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{499}}^1$

素因数の和:559

約数の個数: 144

約数和(自身を含む): 576072000

約数和(自身を除く): 374316320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 361, 380, 499, 532, 560, 608, 665, 722, 760, 998, 1064, 1120, 1330, 1444, 1520, 1805, 1996, 2128, 2495, 2527, 2660, 2888, 3040, 3493, 3610, 3992, 4256, 4990, 5054, 5320, 5776, 6986, 7220, 7984, 9481, 9980, 10108, 10640, 11552, 12635, 13972, 14440, 15968, 17465, 18962, 19960, 20216, 21280, 25270, 27944, 28880, 34930, 37924, 39920, 40432, 47405, 50540, 55888, 57760, 66367, 69860, 75848, 79840, 80864, 94810, 101080, 111776, 132734, 139720, 151696, 180139, 189620, 202160, 265468, 279440, 303392, 331835, 360278, 379240, 404320, 530936, 558880, 663670, 720556, 758480, 900695, 1061872, 1260973, 1327340, 1441112, 1516960, 1801390, 2123744, 2521946, 2654680, 2882224, 3602780, 5043892, 5309360, 5764448, 6304865, 7205560, 10087784, 10618720, 12609730, 14411120, 20175568, 25219460, 28822240, 40351136, 50438920, 100877840, 201755680]

約数ペア:

[(1, 201755680), (2, 100877840), (4, 50438920), (5, 40351136), (7, 28822240), (8, 25219460), (10, 20175568), (14, 14411120), (16, 12609730), (19, 10618720), (20, 10087784), (28, 7205560), (32, 6304865), (35, 5764448), (38, 5309360), (40, 5043892), (56, 3602780), (70, 2882224), (76, 2654680), (80, 2521946), (95, 2123744), (112, 1801390), (133, 1516960), (140, 1441112), (152, 1327340), (160, 1260973), (190, 1061872), (224, 900695), (266, 758480), (280, 720556), (304, 663670), (361, 558880), (380, 530936), (499, 404320), (532, 379240), (560, 360278), (608, 331835), (665, 303392), (722, 279440), (760, 265468), (998, 202160), (1064, 189620), (1120, 180139), (1330, 151696), (1444, 139720), (1520, 132734), (1805, 111776), (1996, 101080), (2128, 94810), (2495, 80864), (2527, 79840), (2660, 75848), (2888, 69860), (3040, 66367), (3493, 57760), (3610, 55888), (3992, 50540), (4256, 47405), (4990, 40432), (5054, 39920), (5320, 37924), (5776, 34930), (6986, 28880), (7220, 27944), (7984, 25270), (9481, 21280), (9980, 20216), (10108, 19960), (10640, 18962), (11552, 17465), (12635, 15968), (13972, 14440)]