18288660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23447}}^1$

素因数の和:23472

約数の個数: 48

約数和(自身を含む): 55149696

約数和(自身を除く): 36861036

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 23447, 46894, 70341, 93788, 117235, 140682, 234470, 281364, 304811, 351705, 468940, 609622, 703410, 914433, 1219244, 1406820, 1524055, 1828866, 3048110, 3657732, 4572165, 6096220, 9144330, 18288660]

約数ペア:

[(1, 18288660), (2, 9144330), (3, 6096220), (4, 4572165), (5, 3657732), (6, 3048110), (10, 1828866), (12, 1524055), (13, 1406820), (15, 1219244), (20, 914433), (26, 703410), (30, 609622), (39, 468940), (52, 351705), (60, 304811), (65, 281364), (78, 234470), (130, 140682), (156, 117235), (195, 93788), (260, 70341), (390, 46894), (780, 23447)]