2540459740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{379}}^1$

素因数の和:564

約数の個数: 192

約数和(自身を含む): 6864076800

約数和(自身を除く): 4323617060

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 29, 35, 52, 58, 65, 70, 91, 116, 127, 130, 140, 145, 182, 203, 254, 260, 290, 364, 377, 379, 406, 455, 508, 580, 635, 754, 758, 812, 889, 910, 1015, 1270, 1508, 1516, 1651, 1778, 1820, 1885, 1895, 2030, 2540, 2639, 2653, 3302, 3556, 3683, 3770, 3790, 4060, 4445, 4927, 5278, 5306, 6604, 7366, 7540, 7580, 8255, 8890, 9854, 10556, 10612, 10991, 11557, 13195, 13265, 14732, 16510, 17780, 18415, 19708, 21982, 23114, 24635, 25781, 26390, 26530, 33020, 34489, 36830, 43964, 46228, 47879, 48133, 49270, 51562, 52780, 53060, 54955, 57785, 68978, 73660, 76937, 95758, 96266, 98540, 103124, 109910, 115570, 128905, 137956, 142883, 153874, 172445, 191516, 192532, 219820, 231140, 239395, 240665, 257810, 285766, 307748, 335153, 336931, 344890, 384685, 478790, 481330, 515620, 571532, 625729, 670306, 673862, 689780, 714415, 769370, 957580, 962660, 1000181, 1251458, 1340612, 1347724, 1395857, 1428830, 1538740, 1675765, 1684655, 2000362, 2502916, 2791714, 2857660, 3128645, 3351530, 3369310, 4000724, 4380103, 5000905, 5583428, 6257290, 6703060, 6738620, 6979285, 8760206, 9770999, 10001810, 12514580, 13958570, 17520412, 18146141, 19541998, 20003620, 21900515, 27917140, 36292282, 39083996, 43801030, 48854995, 72584564, 87602060, 90730705, 97709990, 127022987, 181461410, 195419980, 254045974, 362922820, 508091948, 635114935, 1270229870, 2540459740]

約数ペア:

[(1, 2540459740), (2, 1270229870), (4, 635114935), (5, 508091948), (7, 362922820), (10, 254045974), (13, 195419980), (14, 181461410), (20, 127022987), (26, 97709990), (28, 90730705), (29, 87602060), (35, 72584564), (52, 48854995), (58, 43801030), (65, 39083996), (70, 36292282), (91, 27917140), (116, 21900515), (127, 20003620), (130, 19541998), (140, 18146141), (145, 17520412), (182, 13958570), (203, 12514580), (254, 10001810), (260, 9770999), (290, 8760206), (364, 6979285), (377, 6738620), (379, 6703060), (406, 6257290), (455, 5583428), (508, 5000905), (580, 4380103), (635, 4000724), (754, 3369310), (758, 3351530), (812, 3128645), (889, 2857660), (910, 2791714), (1015, 2502916), (1270, 2000362), (1508, 1684655), (1516, 1675765), (1651, 1538740), (1778, 1428830), (1820, 1395857), (1885, 1347724), (1895, 1340612), (2030, 1251458), (2540, 1000181), (2639, 962660), (2653, 957580), (3302, 769370), (3556, 714415), (3683, 689780), (3770, 673862), (3790, 670306), (4060, 625729), (4445, 571532), (4927, 515620), (5278, 481330), (5306, 478790), (6604, 384685), (7366, 344890), (7540, 336931), (7580, 335153), (8255, 307748), (8890, 285766), (9854, 257810), (10556, 240665), (10612, 239395), (10991, 231140), (11557, 219820), (13195, 192532), (13265, 191516), (14732, 172445), (16510, 153874), (17780, 142883), (18415, 137956), (19708, 128905), (21982, 115570), (23114, 109910), (24635, 103124), (25781, 98540), (26390, 96266), (26530, 95758), (33020, 76937), (34489, 73660), (36830, 68978), (43964, 57785), (46228, 54955), (47879, 53060), (48133, 52780), (49270, 51562)]