81198840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{23333}}^1$

素因数の和:23376

約数の個数: 64

約数和(自身を含む): 252007200

約数和(自身を除く): 170808360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 23333, 46666, 69999, 93332, 116665, 139998, 186664, 233330, 279996, 349995, 466660, 559992, 676657, 699990, 933320, 1353314, 1399980, 2029971, 2706628, 2799960, 3383285, 4059942, 5413256, 6766570, 8119884, 10149855, 13533140, 16239768, 20299710, 27066280, 40599420, 81198840]

約数ペア:

[(1, 81198840), (2, 40599420), (3, 27066280), (4, 20299710), (5, 16239768), (6, 13533140), (8, 10149855), (10, 8119884), (12, 6766570), (15, 5413256), (20, 4059942), (24, 3383285), (29, 2799960), (30, 2706628), (40, 2029971), (58, 1399980), (60, 1353314), (87, 933320), (116, 699990), (120, 676657), (145, 559992), (174, 466660), (232, 349995), (290, 279996), (348, 233330), (435, 186664), (580, 139998), (696, 116665), (870, 93332), (1160, 69999), (1740, 46666), (3480, 23333)]