205084620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87643}}^1$

素因数の和:87671

約数の個数: 72

約数和(自身を含む): 669950736

約数和(自身を除く): 464866116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 87643, 175286, 262929, 350572, 438215, 525858, 788787, 876430, 1051716, 1139359, 1314645, 1577574, 1752860, 2278718, 2629290, 3155148, 3418077, 3943935, 4557436, 5258580, 5696795, 6836154, 7887870, 10254231, 11393590, 13672308, 15775740, 17090385, 20508462, 22787180, 34180770, 41016924, 51271155, 68361540, 102542310, 205084620]

約数ペア:

[(1, 205084620), (2, 102542310), (3, 68361540), (4, 51271155), (5, 41016924), (6, 34180770), (9, 22787180), (10, 20508462), (12, 17090385), (13, 15775740), (15, 13672308), (18, 11393590), (20, 10254231), (26, 7887870), (30, 6836154), (36, 5696795), (39, 5258580), (45, 4557436), (52, 3943935), (60, 3418077), (65, 3155148), (78, 2629290), (90, 2278718), (117, 1752860), (130, 1577574), (156, 1314645), (180, 1139359), (195, 1051716), (234, 876430), (260, 788787), (390, 525858), (468, 438215), (585, 350572), (780, 262929), (1170, 175286), (2340, 87643)]