28916520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10477}}^1$

素因数の和:10514

約数の個数: 64

約数和(自身を含む): 90529920

約数和(自身を除く): 61613400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 10477, 20954, 31431, 41908, 52385, 62862, 83816, 104770, 125724, 157155, 209540, 240971, 251448, 314310, 419080, 481942, 628620, 722913, 963884, 1204855, 1257240, 1445826, 1927768, 2409710, 2891652, 3614565, 4819420, 5783304, 7229130, 9638840, 14458260, 28916520]

約数ペア:

[(1, 28916520), (2, 14458260), (3, 9638840), (4, 7229130), (5, 5783304), (6, 4819420), (8, 3614565), (10, 2891652), (12, 2409710), (15, 1927768), (20, 1445826), (23, 1257240), (24, 1204855), (30, 963884), (40, 722913), (46, 628620), (60, 481942), (69, 419080), (92, 314310), (115, 251448), (120, 240971), (138, 209540), (184, 157155), (230, 125724), (276, 104770), (345, 83816), (460, 62862), (552, 52385), (690, 41908), (920, 31431), (1380, 20954), (2760, 10477)]