78462020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2269}}^1$

素因数の和:2317

約数の個数: 96

約数和(自身を含む): 213561600

約数和(自身を除く): 135099580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 247, 260, 266, 364, 380, 455, 494, 532, 665, 910, 988, 1235, 1330, 1729, 1820, 2269, 2470, 2660, 3458, 4538, 4940, 6916, 8645, 9076, 11345, 15883, 17290, 22690, 29497, 31766, 34580, 43111, 45380, 58994, 63532, 79415, 86222, 117988, 147485, 158830, 172444, 206479, 215555, 294970, 301777, 317660, 412958, 431110, 560443, 589940, 603554, 825916, 862220, 1032395, 1120886, 1207108, 1508885, 2064790, 2241772, 2802215, 3017770, 3923101, 4129580, 5604430, 6035540, 7846202, 11208860, 15692404, 19615505, 39231010, 78462020]

約数ペア:

[(1, 78462020), (2, 39231010), (4, 19615505), (5, 15692404), (7, 11208860), (10, 7846202), (13, 6035540), (14, 5604430), (19, 4129580), (20, 3923101), (26, 3017770), (28, 2802215), (35, 2241772), (38, 2064790), (52, 1508885), (65, 1207108), (70, 1120886), (76, 1032395), (91, 862220), (95, 825916), (130, 603554), (133, 589940), (140, 560443), (182, 431110), (190, 412958), (247, 317660), (260, 301777), (266, 294970), (364, 215555), (380, 206479), (455, 172444), (494, 158830), (532, 147485), (665, 117988), (910, 86222), (988, 79415), (1235, 63532), (1330, 58994), (1729, 45380), (1820, 43111), (2269, 34580), (2470, 31766), (2660, 29497), (3458, 22690), (4538, 17290), (4940, 15883), (6916, 11345), (8645, 9076)]