388278540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{165931}}^1$

素因数の和:165959

約数の個数: 72

約数和(自身を含む): 1268384208

約数和(自身を除く): 880105668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 165931, 331862, 497793, 663724, 829655, 995586, 1493379, 1659310, 1991172, 2157103, 2488965, 2986758, 3318620, 4314206, 4977930, 5973516, 6471309, 7466895, 8628412, 9955860, 10785515, 12942618, 14933790, 19413927, 21571030, 25885236, 29867580, 32356545, 38827854, 43142060, 64713090, 77655708, 97069635, 129426180, 194139270, 388278540]

約数ペア:

[(1, 388278540), (2, 194139270), (3, 129426180), (4, 97069635), (5, 77655708), (6, 64713090), (9, 43142060), (10, 38827854), (12, 32356545), (13, 29867580), (15, 25885236), (18, 21571030), (20, 19413927), (26, 14933790), (30, 12942618), (36, 10785515), (39, 9955860), (45, 8628412), (52, 7466895), (60, 6471309), (65, 5973516), (78, 4977930), (90, 4314206), (117, 3318620), (130, 2986758), (156, 2488965), (180, 2157103), (195, 1991172), (234, 1659310), (260, 1493379), (390, 995586), (468, 829655), (585, 663724), (780, 497793), (1170, 331862), (2340, 165931)]