280905456

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{450169}}^1$

素因数の和:450193

約数の個数: 40

約数和(自身を含む): 781495120

約数和(自身を除く): 500589664

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 450169, 900338, 1350507, 1800676, 2701014, 3601352, 5402028, 5852197, 7202704, 10804056, 11704394, 17556591, 21608112, 23408788, 35113182, 46817576, 70226364, 93635152, 140452728, 280905456]

約数ペア:

[(1, 280905456), (2, 140452728), (3, 93635152), (4, 70226364), (6, 46817576), (8, 35113182), (12, 23408788), (13, 21608112), (16, 17556591), (24, 11704394), (26, 10804056), (39, 7202704), (48, 5852197), (52, 5402028), (78, 3601352), (104, 2701014), (156, 1800676), (208, 1350507), (312, 900338), (624, 450169)]