161751720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103687}}^1$

素因数の和:103714

約数の個数: 64

約数和(自身を含む): 522587520

約数和(自身を除く): 360835800

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, 103687, 207374, 311061, 414748, 518435, 622122, 829496, 1036870, 1244244, 1347931, 1555305, 2073740, 2488488, 2695862, 3110610, 4043793, 4147480, 5391724, 6221220, 6739655, 8087586, 10783448, 12442440, 13479310, 16175172, 20218965, 26958620, 32350344, 40437930, 53917240, 80875860, 161751720]

約数ペア:

[(1, 161751720), (2, 80875860), (3, 53917240), (4, 40437930), (5, 32350344), (6, 26958620), (8, 20218965), (10, 16175172), (12, 13479310), (13, 12442440), (15, 10783448), (20, 8087586), (24, 6739655), (26, 6221220), (30, 5391724), (39, 4147480), (40, 4043793), (52, 3110610), (60, 2695862), (65, 2488488), (78, 2073740), (104, 1555305), (120, 1347931), (130, 1244244), (156, 1036870), (195, 829496), (260, 622122), (312, 518435), (390, 414748), (520, 311061), (780, 207374), (1560, 103687)]