51558780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 288

約数和(自身を含む): 193052160

約数和(自身を除く): 141493380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 19, 20, 21, 26, 28, 30, 35, 38, 39, 42, 49, 52, 57, 60, 65, 70, 71, 76, 78, 84, 91, 95, 98, 105, 114, 130, 133, 140, 142, 147, 156, 182, 190, 195, 196, 210, 213, 228, 245, 247, 260, 266, 273, 284, 285, 294, 355, 364, 380, 390, 399, 420, 426, 455, 490, 494, 497, 532, 546, 570, 588, 637, 665, 710, 735, 741, 780, 798, 852, 910, 923, 931, 980, 988, 994, 1065, 1092, 1140, 1235, 1274, 1330, 1349, 1365, 1420, 1470, 1482, 1491, 1596, 1729, 1820, 1846, 1862, 1911, 1988, 1995, 2130, 2470, 2485, 2548, 2660, 2698, 2730, 2769, 2793, 2940, 2964, 2982, 3185, 3458, 3479, 3692, 3705, 3724, 3822, 3990, 4047, 4260, 4615, 4655, 4940, 4970, 5187, 5396, 5460, 5538, 5586, 5964, 6370, 6461, 6745, 6916, 6958, 7410, 7455, 7644, 7980, 8094, 8645, 9230, 9310, 9443, 9555, 9940, 10374, 10437, 11076, 11172, 12103, 12740, 12922, 13490, 13845, 13916, 13965, 14820, 14910, 16188, 17290, 17395, 17537, 18460, 18620, 18886, 19110, 19383, 20235, 20748, 20874, 24206, 25844, 25935, 26980, 27690, 27930, 28329, 29820, 32305, 34580, 34790, 35074, 36309, 37772, 38220, 38766, 40470, 41748, 45227, 47215, 48412, 51870, 52185, 52611, 55380, 55860, 56658, 60515, 64610, 66101, 69580, 70148, 72618, 77532, 80940, 87685, 90454, 94430, 96915, 103740, 104370, 105222, 113316, 121030, 122759, 129220, 132202, 135681, 141645, 145236, 175370, 180908, 181545, 188860, 193830, 198303, 208740, 210444, 226135, 242060, 245518, 263055, 264404, 271362, 283290, 330505, 350740, 363090, 368277, 387660, 396606, 452270, 491036, 526110, 542724, 566580, 613795, 661010, 678405, 726180, 736554, 793212, 859313, 904540, 991515, 1052220, 1227590, 1322020, 1356810, 1473108, 1718626, 1841385, 1983030, 2455180, 2577939, 2713620, 3437252, 3682770, 3966060, 4296565, 5155878, 7365540, 8593130, 10311756, 12889695, 17186260, 25779390, 51558780]

約数ペア:

[(1, 51558780), (2, 25779390), (3, 17186260), (4, 12889695), (5, 10311756), (6, 8593130), (7, 7365540), (10, 5155878), (12, 4296565), (13, 3966060), (14, 3682770), (15, 3437252), (19, 2713620), (20, 2577939), (21, 2455180), (26, 1983030), (28, 1841385), (30, 1718626), (35, 1473108), (38, 1356810), (39, 1322020), (42, 1227590), (49, 1052220), (52, 991515), (57, 904540), (60, 859313), (65, 793212), (70, 736554), (71, 726180), (76, 678405), (78, 661010), (84, 613795), (91, 566580), (95, 542724), (98, 526110), (105, 491036), (114, 452270), (130, 396606), (133, 387660), (140, 368277), (142, 363090), (147, 350740), (156, 330505), (182, 283290), (190, 271362), (195, 264404), (196, 263055), (210, 245518), (213, 242060), (228, 226135), (245, 210444), (247, 208740), (260, 198303), (266, 193830), (273, 188860), (284, 181545), (285, 180908), (294, 175370), (355, 145236), (364, 141645), (380, 135681), (390, 132202), (399, 129220), (420, 122759), (426, 121030), (455, 113316), (490, 105222), (494, 104370), (497, 103740), (532, 96915), (546, 94430), (570, 90454), (588, 87685), (637, 80940), (665, 77532), (710, 72618), (735, 70148), (741, 69580), (780, 66101), (798, 64610), (852, 60515), (910, 56658), (923, 55860), (931, 55380), (980, 52611), (988, 52185), (994, 51870), (1065, 48412), (1092, 47215), (1140, 45227), (1235, 41748), (1274, 40470), (1330, 38766), (1349, 38220), (1365, 37772), (1420, 36309), (1470, 35074), (1482, 34790), (1491, 34580), (1596, 32305), (1729, 29820), (1820, 28329), (1846, 27930), (1862, 27690), (1911, 26980), (1988, 25935), (1995, 25844), (2130, 24206), (2470, 20874), (2485, 20748), (2548, 20235), (2660, 19383), (2698, 19110), (2730, 18886), (2769, 18620), (2793, 18460), (2940, 17537), (2964, 17395), (2982, 17290), (3185, 16188), (3458, 14910), (3479, 14820), (3692, 13965), (3705, 13916), (3724, 13845), (3822, 13490), (3990, 12922), (4047, 12740), (4260, 12103), (4615, 11172), (4655, 11076), (4940, 10437), (4970, 10374), (5187, 9940), (5396, 9555), (5460, 9443), (5538, 9310), (5586, 9230), (5964, 8645), (6370, 8094), (6461, 7980), (6745, 7644), (6916, 7455), (6958, 7410)]