64910220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:375

約数の個数: 96

約数和(自身を含む): 188348160

約数和(自身を除く): 123437940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 139, 172, 181, 215, 258, 278, 362, 417, 430, 516, 543, 556, 645, 695, 724, 834, 860, 905, 1086, 1290, 1390, 1668, 1810, 2085, 2172, 2580, 2715, 2780, 3620, 4170, 5430, 5977, 7783, 8340, 10860, 11954, 15566, 17931, 23349, 23908, 25159, 29885, 31132, 35862, 38915, 46698, 50318, 59770, 71724, 75477, 77830, 89655, 93396, 100636, 116745, 119540, 125795, 150954, 155660, 179310, 233490, 251590, 301908, 358620, 377385, 466980, 503180, 754770, 1081837, 1509540, 2163674, 3245511, 4327348, 5409185, 6491022, 10818370, 12982044, 16227555, 21636740, 32455110, 64910220]

約数ペア:

[(1, 64910220), (2, 32455110), (3, 21636740), (4, 16227555), (5, 12982044), (6, 10818370), (10, 6491022), (12, 5409185), (15, 4327348), (20, 3245511), (30, 2163674), (43, 1509540), (60, 1081837), (86, 754770), (129, 503180), (139, 466980), (172, 377385), (181, 358620), (215, 301908), (258, 251590), (278, 233490), (362, 179310), (417, 155660), (430, 150954), (516, 125795), (543, 119540), (556, 116745), (645, 100636), (695, 93396), (724, 89655), (834, 77830), (860, 75477), (905, 71724), (1086, 59770), (1290, 50318), (1390, 46698), (1668, 38915), (1810, 35862), (2085, 31132), (2172, 29885), (2580, 25159), (2715, 23908), (2780, 23349), (3620, 17931), (4170, 15566), (5430, 11954), (5977, 10860), (7783, 8340)]