28254840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{977}}^1$

素因数の和:1232

約数の個数: 64

約数和(自身を含む): 85203360

約数和(自身を除く): 56948520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 241, 482, 723, 964, 977, 1205, 1446, 1928, 1954, 2410, 2892, 2931, 3615, 3908, 4820, 4885, 5784, 5862, 7230, 7816, 9640, 9770, 11724, 14460, 14655, 19540, 23448, 28920, 29310, 39080, 58620, 117240, 235457, 470914, 706371, 941828, 1177285, 1412742, 1883656, 2354570, 2825484, 3531855, 4709140, 5650968, 7063710, 9418280, 14127420, 28254840]

約数ペア:

[(1, 28254840), (2, 14127420), (3, 9418280), (4, 7063710), (5, 5650968), (6, 4709140), (8, 3531855), (10, 2825484), (12, 2354570), (15, 1883656), (20, 1412742), (24, 1177285), (30, 941828), (40, 706371), (60, 470914), (120, 235457), (241, 117240), (482, 58620), (723, 39080), (964, 29310), (977, 28920), (1205, 23448), (1446, 19540), (1928, 14655), (1954, 14460), (2410, 11724), (2892, 9770), (2931, 9640), (3615, 7816), (3908, 7230), (4820, 5862), (4885, 5784)]