68687320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4261}}^1$

素因数の和:4316

約数の個数: 64

約数和(自身を含む): 171843840

約数和(自身を除く): 103156520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 4261, 8060, 8522, 16120, 17044, 21305, 34088, 42610, 55393, 85220, 110786, 132091, 170440, 221572, 264182, 276965, 443144, 528364, 553930, 660455, 1056728, 1107860, 1320910, 1717183, 2215720, 2641820, 3434366, 5283640, 6868732, 8585915, 13737464, 17171830, 34343660, 68687320]

約数ペア:

[(1, 68687320), (2, 34343660), (4, 17171830), (5, 13737464), (8, 8585915), (10, 6868732), (13, 5283640), (20, 3434366), (26, 2641820), (31, 2215720), (40, 1717183), (52, 1320910), (62, 1107860), (65, 1056728), (104, 660455), (124, 553930), (130, 528364), (155, 443144), (248, 276965), (260, 264182), (310, 221572), (403, 170440), (520, 132091), (620, 110786), (806, 85220), (1240, 55393), (1612, 42610), (2015, 34088), (3224, 21305), (4030, 17044), (4261, 16120), (8060, 8522)]