1964340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1559}}^1$

素因数の和:1581

約数の個数: 72

約数和(自身を含む): 6814080

約数和(自身を除く): 4849740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1559, 3118, 4677, 6236, 7795, 9354, 10913, 14031, 15590, 18708, 21826, 23385, 28062, 31180, 32739, 43652, 46770, 54565, 56124, 65478, 70155, 93540, 98217, 109130, 130956, 140310, 163695, 196434, 218260, 280620, 327390, 392868, 491085, 654780, 982170, 1964340]

約数ペア:

[(1, 1964340), (2, 982170), (3, 654780), (4, 491085), (5, 392868), (6, 327390), (7, 280620), (9, 218260), (10, 196434), (12, 163695), (14, 140310), (15, 130956), (18, 109130), (20, 98217), (21, 93540), (28, 70155), (30, 65478), (35, 56124), (36, 54565), (42, 46770), (45, 43652), (60, 32739), (63, 31180), (70, 28062), (84, 23385), (90, 21826), (105, 18708), (126, 15590), (140, 14031), (180, 10913), (210, 9354), (252, 7795), (315, 6236), (420, 4677), (630, 3118), (1260, 1559)]