279936020

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:159

約数の個数: 192

約数和(自身を含む): 765811200

約数和(自身を除く): 485875180

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 43, 49, 52, 65, 70, 73, 86, 91, 98, 130, 140, 146, 172, 182, 196, 215, 245, 260, 292, 301, 343, 364, 365, 430, 455, 490, 511, 559, 602, 637, 686, 730, 860, 910, 949, 980, 1022, 1118, 1204, 1274, 1372, 1460, 1505, 1715, 1820, 1898, 2044, 2107, 2236, 2548, 2555, 2795, 3010, 3139, 3185, 3430, 3577, 3796, 3913, 4214, 4459, 4745, 5110, 5590, 6020, 6278, 6370, 6643, 6860, 7154, 7826, 8428, 8918, 9490, 10220, 10535, 11180, 12556, 12740, 13286, 14308, 14749, 15652, 15695, 17836, 17885, 18980, 19565, 21070, 21973, 22295, 25039, 26572, 27391, 29498, 31390, 33215, 35770, 39130, 40807, 42140, 43946, 44590, 46501, 50078, 54782, 58996, 62780, 66430, 71540, 73745, 78260, 81614, 87892, 89180, 93002, 100156, 109564, 109865, 125195, 132860, 136955, 147490, 153811, 163228, 186004, 191737, 204035, 219730, 232505, 250390, 273910, 285649, 294980, 307622, 325507, 383474, 408070, 439460, 465010, 500780, 547820, 571298, 615244, 651014, 766948, 769055, 816140, 930020, 958685, 1076677, 1142596, 1302028, 1428245, 1538110, 1627535, 1917370, 1999543, 2153354, 2856490, 3076220, 3255070, 3834740, 3999086, 4306708, 5383385, 5712980, 6510140, 7998172, 9997715, 10766770, 13996801, 19995430, 21533540, 27993602, 39990860, 55987204, 69984005, 139968010, 279936020]

約数ペア:

[(1, 279936020), (2, 139968010), (4, 69984005), (5, 55987204), (7, 39990860), (10, 27993602), (13, 21533540), (14, 19995430), (20, 13996801), (26, 10766770), (28, 9997715), (35, 7998172), (43, 6510140), (49, 5712980), (52, 5383385), (65, 4306708), (70, 3999086), (73, 3834740), (86, 3255070), (91, 3076220), (98, 2856490), (130, 2153354), (140, 1999543), (146, 1917370), (172, 1627535), (182, 1538110), (196, 1428245), (215, 1302028), (245, 1142596), (260, 1076677), (292, 958685), (301, 930020), (343, 816140), (364, 769055), (365, 766948), (430, 651014), (455, 615244), (490, 571298), (511, 547820), (559, 500780), (602, 465010), (637, 439460), (686, 408070), (730, 383474), (860, 325507), (910, 307622), (949, 294980), (980, 285649), (1022, 273910), (1118, 250390), (1204, 232505), (1274, 219730), (1372, 204035), (1460, 191737), (1505, 186004), (1715, 163228), (1820, 153811), (1898, 147490), (2044, 136955), (2107, 132860), (2236, 125195), (2548, 109865), (2555, 109564), (2795, 100156), (3010, 93002), (3139, 89180), (3185, 87892), (3430, 81614), (3577, 78260), (3796, 73745), (3913, 71540), (4214, 66430), (4459, 62780), (4745, 58996), (5110, 54782), (5590, 50078), (6020, 46501), (6278, 44590), (6370, 43946), (6643, 42140), (6860, 40807), (7154, 39130), (7826, 35770), (8428, 33215), (8918, 31390), (9490, 29498), (10220, 27391), (10535, 26572), (11180, 25039), (12556, 22295), (12740, 21973), (13286, 21070), (14308, 19565), (14749, 18980), (15652, 17885), (15695, 17836)]