80811420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1889}}^1$

素因数の和:1955

約数の個数: 96

約数和(自身を含む): 243855360

約数和(自身を除く): 163043940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 31, 46, 60, 62, 69, 92, 93, 115, 124, 138, 155, 186, 230, 276, 310, 345, 372, 460, 465, 620, 690, 713, 930, 1380, 1426, 1860, 1889, 2139, 2852, 3565, 3778, 4278, 5667, 7130, 7556, 8556, 9445, 10695, 11334, 14260, 18890, 21390, 22668, 28335, 37780, 42780, 43447, 56670, 58559, 86894, 113340, 117118, 130341, 173788, 175677, 217235, 234236, 260682, 292795, 351354, 434470, 521364, 585590, 651705, 702708, 868940, 878385, 1171180, 1303410, 1346857, 1756770, 2606820, 2693714, 3513540, 4040571, 5387428, 6734285, 8081142, 13468570, 16162284, 20202855, 26937140, 40405710, 80811420]

約数ペア:

[(1, 80811420), (2, 40405710), (3, 26937140), (4, 20202855), (5, 16162284), (6, 13468570), (10, 8081142), (12, 6734285), (15, 5387428), (20, 4040571), (23, 3513540), (30, 2693714), (31, 2606820), (46, 1756770), (60, 1346857), (62, 1303410), (69, 1171180), (92, 878385), (93, 868940), (115, 702708), (124, 651705), (138, 585590), (155, 521364), (186, 434470), (230, 351354), (276, 292795), (310, 260682), (345, 234236), (372, 217235), (460, 175677), (465, 173788), (620, 130341), (690, 117118), (713, 113340), (930, 86894), (1380, 58559), (1426, 56670), (1860, 43447), (1889, 42780), (2139, 37780), (2852, 28335), (3565, 22668), (3778, 21390), (4278, 18890), (5667, 14260), (7130, 11334), (7556, 10695), (8556, 9445)]