78680420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2543}}^1$

素因数の和:2589

約数の個数: 96

約数和(自身を含む): 215405568

約数和(自身を除く): 136725148

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 91, 119, 130, 140, 170, 182, 221, 238, 260, 340, 364, 442, 455, 476, 595, 884, 910, 1105, 1190, 1547, 1820, 2210, 2380, 2543, 3094, 4420, 5086, 6188, 7735, 10172, 12715, 15470, 17801, 25430, 30940, 33059, 35602, 43231, 50860, 66118, 71204, 86462, 89005, 132236, 165295, 172924, 178010, 216155, 231413, 302617, 330590, 356020, 432310, 462826, 562003, 605234, 661180, 864620, 925652, 1124006, 1157065, 1210468, 1513085, 2248012, 2314130, 2810015, 3026170, 3934021, 4628260, 5620030, 6052340, 7868042, 11240060, 15736084, 19670105, 39340210, 78680420]

約数ペア:

[(1, 78680420), (2, 39340210), (4, 19670105), (5, 15736084), (7, 11240060), (10, 7868042), (13, 6052340), (14, 5620030), (17, 4628260), (20, 3934021), (26, 3026170), (28, 2810015), (34, 2314130), (35, 2248012), (52, 1513085), (65, 1210468), (68, 1157065), (70, 1124006), (85, 925652), (91, 864620), (119, 661180), (130, 605234), (140, 562003), (170, 462826), (182, 432310), (221, 356020), (238, 330590), (260, 302617), (340, 231413), (364, 216155), (442, 178010), (455, 172924), (476, 165295), (595, 132236), (884, 89005), (910, 86462), (1105, 71204), (1190, 66118), (1547, 50860), (1820, 43231), (2210, 35602), (2380, 33059), (2543, 30940), (3094, 25430), (4420, 17801), (5086, 15470), (6188, 12715), (7735, 10172)]