205298040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{709}}^1$

素因数の和:869

約数の個数: 128

約数和(自身を含む): 654336000

約数和(自身を除く): 449037960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 127, 152, 190, 228, 254, 285, 380, 381, 456, 508, 570, 635, 709, 760, 762, 1016, 1140, 1270, 1418, 1524, 1905, 2127, 2280, 2413, 2540, 2836, 3048, 3545, 3810, 4254, 4826, 5080, 5672, 7090, 7239, 7620, 8508, 9652, 10635, 12065, 13471, 14180, 14478, 15240, 17016, 19304, 21270, 24130, 26942, 28360, 28956, 36195, 40413, 42540, 48260, 53884, 57912, 67355, 72390, 80826, 85080, 90043, 96520, 107768, 134710, 144780, 161652, 180086, 202065, 269420, 270129, 289560, 323304, 360172, 404130, 450215, 538840, 540258, 720344, 808260, 900430, 1080516, 1350645, 1616520, 1710817, 1800860, 2161032, 2701290, 3421634, 3601720, 5132451, 5402580, 6843268, 8554085, 10264902, 10805160, 13686536, 17108170, 20529804, 25662255, 34216340, 41059608, 51324510, 68432680, 102649020, 205298040]

約数ペア:

[(1, 205298040), (2, 102649020), (3, 68432680), (4, 51324510), (5, 41059608), (6, 34216340), (8, 25662255), (10, 20529804), (12, 17108170), (15, 13686536), (19, 10805160), (20, 10264902), (24, 8554085), (30, 6843268), (38, 5402580), (40, 5132451), (57, 3601720), (60, 3421634), (76, 2701290), (95, 2161032), (114, 1800860), (120, 1710817), (127, 1616520), (152, 1350645), (190, 1080516), (228, 900430), (254, 808260), (285, 720344), (380, 540258), (381, 538840), (456, 450215), (508, 404130), (570, 360172), (635, 323304), (709, 289560), (760, 270129), (762, 269420), (1016, 202065), (1140, 180086), (1270, 161652), (1418, 144780), (1524, 134710), (1905, 107768), (2127, 96520), (2280, 90043), (2413, 85080), (2540, 80826), (2836, 72390), (3048, 67355), (3545, 57912), (3810, 53884), (4254, 48260), (4826, 42540), (5080, 40413), (5672, 36195), (7090, 28956), (7239, 28360), (7620, 26942), (8508, 24130), (9652, 21270), (10635, 19304), (12065, 17016), (13471, 15240), (14180, 14478)]