2605280340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{256931}}^1$

素因数の和:256969

約数の個数: 72

約数和(自身を含む): 7899117408

約数和(自身を除く): 5293837068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 2028, 2535, 3380, 5070, 10140, 256931, 513862, 770793, 1027724, 1284655, 1541586, 2569310, 3083172, 3340103, 3853965, 5138620, 6680206, 7707930, 10020309, 13360412, 15415860, 16700515, 20040618, 33401030, 40081236, 43421339, 50101545, 66802060, 86842678, 100203090, 130264017, 173685356, 200406180, 217106695, 260528034, 434213390, 521056068, 651320085, 868426780, 1302640170, 2605280340]

約数ペア:

[(1, 2605280340), (2, 1302640170), (3, 868426780), (4, 651320085), (5, 521056068), (6, 434213390), (10, 260528034), (12, 217106695), (13, 200406180), (15, 173685356), (20, 130264017), (26, 100203090), (30, 86842678), (39, 66802060), (52, 50101545), (60, 43421339), (65, 40081236), (78, 33401030), (130, 20040618), (156, 16700515), (169, 15415860), (195, 13360412), (260, 10020309), (338, 7707930), (390, 6680206), (507, 5138620), (676, 3853965), (780, 3340103), (845, 3083172), (1014, 2569310), (1690, 1541586), (2028, 1284655), (2535, 1027724), (3380, 770793), (5070, 513862), (10140, 256931)]