80213640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51419}}^1$

素因数の和:51446

約数の個数: 64

約数和(自身を含む): 259156800

約数和(自身を除く): 178943160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 51419, 102838, 154257, 205676, 257095, 308514, 411352, 514190, 617028, 668447, 771285, 1028380, 1234056, 1336894, 1542570, 2005341, 2056760, 2673788, 3085140, 3342235, 4010682, 5347576, 6170280, 6684470, 8021364, 10026705, 13368940, 16042728, 20053410, 26737880, 40106820, 80213640]

約数ペア:

[(1, 80213640), (2, 40106820), (3, 26737880), (4, 20053410), (5, 16042728), (6, 13368940), (8, 10026705), (10, 8021364), (12, 6684470), (13, 6170280), (15, 5347576), (20, 4010682), (24, 3342235), (26, 3085140), (30, 2673788), (39, 2056760), (40, 2005341), (52, 1542570), (60, 1336894), (65, 1234056), (78, 1028380), (104, 771285), (120, 668447), (130, 617028), (156, 514190), (195, 411352), (260, 308514), (312, 257095), (390, 205676), (520, 154257), (780, 102838), (1560, 51419)]