153140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:72

約数の個数: 48

約数和(自身を含む): 376320

約数和(自身を除く): 223180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 31, 38, 52, 62, 65, 76, 95, 124, 130, 155, 190, 247, 260, 310, 380, 403, 494, 589, 620, 806, 988, 1178, 1235, 1612, 2015, 2356, 2470, 2945, 4030, 4940, 5890, 7657, 8060, 11780, 15314, 30628, 38285, 76570, 153140]

約数ペア:

[(1, 153140), (2, 76570), (4, 38285), (5, 30628), (10, 15314), (13, 11780), (19, 8060), (20, 7657), (26, 5890), (31, 4940), (38, 4030), (52, 2945), (62, 2470), (65, 2356), (76, 2015), (95, 1612), (124, 1235), (130, 1178), (155, 988), (190, 806), (247, 620), (260, 589), (310, 494), (380, 403)]