66304980

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{1949}}^1$

素因数の和:1980

約数の個数: 144

約数和(自身を含む): 238492800

約数和(自身を除く): 172187820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 945, 972, 1134, 1215, 1260, 1620, 1701, 1890, 1949, 2268, 2430, 2835, 3402, 3780, 3898, 4860, 5670, 5847, 6804, 7796, 8505, 9745, 11340, 11694, 13643, 17010, 17541, 19490, 23388, 27286, 29235, 34020, 35082, 38980, 40929, 52623, 54572, 58470, 68215, 70164, 81858, 87705, 105246, 116940, 122787, 136430, 157869, 163716, 175410, 204645, 210492, 245574, 263115, 272860, 315738, 350820, 368361, 409290, 473607, 491148, 526230, 613935, 631476, 736722, 789345, 818580, 947214, 1052460, 1105083, 1227870, 1473444, 1578690, 1841805, 1894428, 2210166, 2368035, 2455740, 3157380, 3315249, 3683610, 4420332, 4736070, 5525415, 6630498, 7367220, 9472140, 11050830, 13260996, 16576245, 22101660, 33152490, 66304980]

約数ペア:

[(1, 66304980), (2, 33152490), (3, 22101660), (4, 16576245), (5, 13260996), (6, 11050830), (7, 9472140), (9, 7367220), (10, 6630498), (12, 5525415), (14, 4736070), (15, 4420332), (18, 3683610), (20, 3315249), (21, 3157380), (27, 2455740), (28, 2368035), (30, 2210166), (35, 1894428), (36, 1841805), (42, 1578690), (45, 1473444), (54, 1227870), (60, 1105083), (63, 1052460), (70, 947214), (81, 818580), (84, 789345), (90, 736722), (105, 631476), (108, 613935), (126, 526230), (135, 491148), (140, 473607), (162, 409290), (180, 368361), (189, 350820), (210, 315738), (243, 272860), (252, 263115), (270, 245574), (315, 210492), (324, 204645), (378, 175410), (405, 163716), (420, 157869), (486, 136430), (540, 122787), (567, 116940), (630, 105246), (756, 87705), (810, 81858), (945, 70164), (972, 68215), (1134, 58470), (1215, 54572), (1260, 52623), (1620, 40929), (1701, 38980), (1890, 35082), (1949, 34020), (2268, 29235), (2430, 27286), (2835, 23388), (3402, 19490), (3780, 17541), (3898, 17010), (4860, 13643), (5670, 11694), (5847, 11340), (6804, 9745), (7796, 8505)]