418720120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3109}}^1$

素因数の和:3177

約数の個数: 128

約数和(自身を含む): 1191254400

約数和(自身を除く): 772534280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 37, 40, 52, 56, 65, 70, 74, 91, 104, 130, 140, 148, 182, 185, 259, 260, 280, 296, 364, 370, 455, 481, 518, 520, 728, 740, 910, 962, 1036, 1295, 1480, 1820, 1924, 2072, 2405, 2590, 3109, 3367, 3640, 3848, 4810, 5180, 6218, 6734, 9620, 10360, 12436, 13468, 15545, 16835, 19240, 21763, 24872, 26936, 31090, 33670, 40417, 43526, 62180, 67340, 80834, 87052, 108815, 115033, 124360, 134680, 161668, 174104, 202085, 217630, 230066, 282919, 323336, 404170, 435260, 460132, 565838, 575165, 805231, 808340, 870520, 920264, 1131676, 1150330, 1414595, 1495429, 1610462, 1616680, 2263352, 2300660, 2829190, 2990858, 3220924, 4026155, 4601320, 5658380, 5981716, 6441848, 7477145, 8052310, 10468003, 11316760, 11963432, 14954290, 16104620, 20936006, 29908580, 32209240, 41872012, 52340015, 59817160, 83744024, 104680030, 209360060, 418720120]

約数ペア:

[(1, 418720120), (2, 209360060), (4, 104680030), (5, 83744024), (7, 59817160), (8, 52340015), (10, 41872012), (13, 32209240), (14, 29908580), (20, 20936006), (26, 16104620), (28, 14954290), (35, 11963432), (37, 11316760), (40, 10468003), (52, 8052310), (56, 7477145), (65, 6441848), (70, 5981716), (74, 5658380), (91, 4601320), (104, 4026155), (130, 3220924), (140, 2990858), (148, 2829190), (182, 2300660), (185, 2263352), (259, 1616680), (260, 1610462), (280, 1495429), (296, 1414595), (364, 1150330), (370, 1131676), (455, 920264), (481, 870520), (518, 808340), (520, 805231), (728, 575165), (740, 565838), (910, 460132), (962, 435260), (1036, 404170), (1295, 323336), (1480, 282919), (1820, 230066), (1924, 217630), (2072, 202085), (2405, 174104), (2590, 161668), (3109, 134680), (3367, 124360), (3640, 115033), (3848, 108815), (4810, 87052), (5180, 80834), (6218, 67340), (6734, 62180), (9620, 43526), (10360, 40417), (12436, 33670), (13468, 31090), (15545, 26936), (16835, 24872), (19240, 21763)]