20157461730

素因数分解:

$2^1\times 3^2\times 5^1\times 7^3\times {\mathrm{349}}^1\times {\mathrm{1871}}^1$

素因数の和:2254

約数の個数: 192

約数和(自身を含む): 61326720000

約数和(自身を除く): 41169258270

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 343, 349, 441, 490, 630, 686, 698, 735, 882, 1029, 1047, 1470, 1715, 1745, 1871, 2058, 2094, 2205, 2443, 3087, 3141, 3430, 3490, 3742, 4410, 4886, 5145, 5235, 5613, 6174, 6282, 7329, 9355, 10290, 10470, 11226, 12215, 13097, 14658, 15435, 15705, 16839, 17101, 18710, 21987, 24430, 26194, 28065, 30870, 31410, 33678, 34202, 36645, 39291, 43974, 51303, 56130, 65485, 73290, 78582, 84195, 85505, 91679, 102606, 109935, 117873, 119707, 130970, 153909, 168390, 171010, 183358, 196455, 219870, 235746, 239414, 256515, 275037, 307818, 359121, 392910, 458395, 513030, 550074, 589365, 598535, 641753, 652979, 718242, 769545, 825111, 916790, 1077363, 1178730, 1197070, 1283506, 1305958, 1375185, 1539090, 1650222, 1795605, 1925259, 1958937, 2154726, 2750370, 3208765, 3264895, 3591210, 3850518, 3917874, 4125555, 4570853, 5386815, 5775777, 5876811, 6417530, 6529790, 8251110, 9141706, 9626295, 9794685, 10773630, 11551554, 11753622, 13712559, 19252590, 19589370, 22854265, 27425118, 28878885, 29384055, 31995971, 41137677, 45708530, 57757770, 58768110, 63991942, 68562795, 82275354, 95987913, 137125590, 159979855, 191975826, 205688385, 223971797, 287963739, 319959710, 411376770, 447943594, 479939565, 575927478, 671915391, 959879130, 1119858985, 1343830782, 1439818695, 2015746173, 2239717970, 2879637390, 3359576955, 4031492346, 6719153910, 10078730865, 20157461730]

約数ペア:

[(1, 20157461730), (2, 10078730865), (3, 6719153910), (5, 4031492346), (6, 3359576955), (7, 2879637390), (9, 2239717970), (10, 2015746173), (14, 1439818695), (15, 1343830782), (18, 1119858985), (21, 959879130), (30, 671915391), (35, 575927478), (42, 479939565), (45, 447943594), (49, 411376770), (63, 319959710), (70, 287963739), (90, 223971797), (98, 205688385), (105, 191975826), (126, 159979855), (147, 137125590), (210, 95987913), (245, 82275354), (294, 68562795), (315, 63991942), (343, 58768110), (349, 57757770), (441, 45708530), (490, 41137677), (630, 31995971), (686, 29384055), (698, 28878885), (735, 27425118), (882, 22854265), (1029, 19589370), (1047, 19252590), (1470, 13712559), (1715, 11753622), (1745, 11551554), (1871, 10773630), (2058, 9794685), (2094, 9626295), (2205, 9141706), (2443, 8251110), (3087, 6529790), (3141, 6417530), (3430, 5876811), (3490, 5775777), (3742, 5386815), (4410, 4570853), (4886, 4125555), (5145, 3917874), (5235, 3850518), (5613, 3591210), (6174, 3264895), (6282, 3208765), (7329, 2750370), (9355, 2154726), (10290, 1958937), (10470, 1925259), (11226, 1795605), (12215, 1650222), (13097, 1539090), (14658, 1375185), (15435, 1305958), (15705, 1283506), (16839, 1197070), (17101, 1178730), (18710, 1077363), (21987, 916790), (24430, 825111), (26194, 769545), (28065, 718242), (30870, 652979), (31410, 641753), (33678, 598535), (34202, 589365), (36645, 550074), (39291, 513030), (43974, 458395), (51303, 392910), (56130, 359121), (65485, 307818), (73290, 275037), (78582, 256515), (84195, 239414), (85505, 235746), (91679, 219870), (102606, 196455), (109935, 183358), (117873, 171010), (119707, 168390), (130970, 153909)]