205533180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1481}}^1$

素因数の和:1756

約数の個数: 96

約数和(自身を含む): 642358080

約数和(自身を除く): 436824900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 257, 270, 514, 540, 771, 1028, 1285, 1481, 1542, 2313, 2570, 2962, 3084, 3855, 4443, 4626, 5140, 5924, 6939, 7405, 7710, 8886, 9252, 11565, 13329, 13878, 14810, 15420, 17772, 22215, 23130, 26658, 27756, 29620, 34695, 39987, 44430, 46260, 53316, 66645, 69390, 79974, 88860, 133290, 138780, 159948, 199935, 266580, 380617, 399870, 761234, 799740, 1141851, 1522468, 1903085, 2283702, 3425553, 3806170, 4567404, 5709255, 6851106, 7612340, 10276659, 11418510, 13702212, 17127765, 20553318, 22837020, 34255530, 41106636, 51383295, 68511060, 102766590, 205533180]

約数ペア:

[(1, 205533180), (2, 102766590), (3, 68511060), (4, 51383295), (5, 41106636), (6, 34255530), (9, 22837020), (10, 20553318), (12, 17127765), (15, 13702212), (18, 11418510), (20, 10276659), (27, 7612340), (30, 6851106), (36, 5709255), (45, 4567404), (54, 3806170), (60, 3425553), (90, 2283702), (108, 1903085), (135, 1522468), (180, 1141851), (257, 799740), (270, 761234), (514, 399870), (540, 380617), (771, 266580), (1028, 199935), (1285, 159948), (1481, 138780), (1542, 133290), (2313, 88860), (2570, 79974), (2962, 69390), (3084, 66645), (3855, 53316), (4443, 46260), (4626, 44430), (5140, 39987), (5924, 34695), (6939, 29620), (7405, 27756), (7710, 26658), (8886, 23130), (9252, 22215), (11565, 17772), (13329, 15420), (13878, 14810)]