128117940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{2539}}^1$

素因数の和:2609

約数の個数: 72

約数和(自身を含む): 371673120

約数和(自身を除く): 243555180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 841, 870, 1682, 1740, 2523, 2539, 3364, 4205, 5046, 5078, 7617, 8410, 10092, 10156, 12615, 12695, 15234, 16820, 25230, 25390, 30468, 38085, 50460, 50780, 73631, 76170, 147262, 152340, 220893, 294524, 368155, 441786, 736310, 883572, 1104465, 1472620, 2135299, 2208930, 4270598, 4417860, 6405897, 8541196, 10676495, 12811794, 21352990, 25623588, 32029485, 42705980, 64058970, 128117940]

約数ペア:

[(1, 128117940), (2, 64058970), (3, 42705980), (4, 32029485), (5, 25623588), (6, 21352990), (10, 12811794), (12, 10676495), (15, 8541196), (20, 6405897), (29, 4417860), (30, 4270598), (58, 2208930), (60, 2135299), (87, 1472620), (116, 1104465), (145, 883572), (174, 736310), (290, 441786), (348, 368155), (435, 294524), (580, 220893), (841, 152340), (870, 147262), (1682, 76170), (1740, 73631), (2523, 50780), (2539, 50460), (3364, 38085), (4205, 30468), (5046, 25390), (5078, 25230), (7617, 16820), (8410, 15234), (10092, 12695), (10156, 12615)]