80237820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 250502112

約数和(自身を除く): 170264292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 41, 52, 60, 65, 78, 82, 123, 130, 156, 164, 169, 193, 195, 205, 246, 260, 338, 386, 390, 410, 492, 507, 533, 579, 615, 676, 772, 780, 820, 845, 965, 1014, 1066, 1158, 1230, 1599, 1690, 1930, 2028, 2132, 2316, 2460, 2509, 2535, 2665, 2895, 3198, 3380, 3860, 5018, 5070, 5330, 5790, 6396, 6929, 7527, 7913, 7995, 10036, 10140, 10660, 11580, 12545, 13858, 15054, 15826, 15990, 20787, 23739, 25090, 27716, 30108, 31652, 31980, 32617, 34645, 37635, 39565, 41574, 47478, 50180, 65234, 69290, 75270, 79130, 83148, 94956, 97851, 102869, 103935, 118695, 130468, 138580, 150540, 158260, 163085, 195702, 205738, 207870, 237390, 308607, 326170, 391404, 411476, 415740, 474780, 489255, 514345, 617214, 652340, 978510, 1028690, 1234428, 1337297, 1543035, 1957020, 2057380, 2674594, 3086070, 4011891, 5349188, 6172140, 6686485, 8023782, 13372970, 16047564, 20059455, 26745940, 40118910, 80237820]

約数ペア:

[(1, 80237820), (2, 40118910), (3, 26745940), (4, 20059455), (5, 16047564), (6, 13372970), (10, 8023782), (12, 6686485), (13, 6172140), (15, 5349188), (20, 4011891), (26, 3086070), (30, 2674594), (39, 2057380), (41, 1957020), (52, 1543035), (60, 1337297), (65, 1234428), (78, 1028690), (82, 978510), (123, 652340), (130, 617214), (156, 514345), (164, 489255), (169, 474780), (193, 415740), (195, 411476), (205, 391404), (246, 326170), (260, 308607), (338, 237390), (386, 207870), (390, 205738), (410, 195702), (492, 163085), (507, 158260), (533, 150540), (579, 138580), (615, 130468), (676, 118695), (772, 103935), (780, 102869), (820, 97851), (845, 94956), (965, 83148), (1014, 79130), (1066, 75270), (1158, 69290), (1230, 65234), (1599, 50180), (1690, 47478), (1930, 41574), (2028, 39565), (2132, 37635), (2316, 34645), (2460, 32617), (2509, 31980), (2535, 31652), (2665, 30108), (2895, 27716), (3198, 25090), (3380, 23739), (3860, 20787), (5018, 15990), (5070, 15826), (5330, 15054), (5790, 13858), (6396, 12545), (6929, 11580), (7527, 10660), (7913, 10140), (7995, 10036)]