7989540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10243}}^1$

素因数の和:10268

約数の個数: 48

約数和(自身を含む): 24093888

約数和(自身を除く): 16104348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 10243, 20486, 30729, 40972, 51215, 61458, 102430, 122916, 133159, 153645, 204860, 266318, 307290, 399477, 532636, 614580, 665795, 798954, 1331590, 1597908, 1997385, 2663180, 3994770, 7989540]

約数ペア:

[(1, 7989540), (2, 3994770), (3, 2663180), (4, 1997385), (5, 1597908), (6, 1331590), (10, 798954), (12, 665795), (13, 614580), (15, 532636), (20, 399477), (26, 307290), (30, 266318), (39, 204860), (52, 153645), (60, 133159), (65, 122916), (78, 102430), (130, 61458), (156, 51215), (195, 40972), (260, 30729), (390, 20486), (780, 10243)]