71287020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{18859}}^1$

素因数の和:18884

約数の個数: 96

約数和(自身を含む): 253478400

約数和(自身を除く): 182191380

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, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 18859, 37718, 56577, 75436, 94295, 113154, 132013, 169731, 188590, 226308, 264026, 282885, 339462, 377180, 396039, 509193, 528052, 565770, 660065, 678924, 792078, 848655, 1018386, 1131540, 1188117, 1320130, 1584156, 1697310, 1980195, 2036772, 2376234, 2545965, 2640260, 3394620, 3564351, 3960390, 4752468, 5091930, 5940585, 7128702, 7920780, 10183860, 11881170, 14257404, 17821755, 23762340, 35643510, 71287020]

約数ペア:

[(1, 71287020), (2, 35643510), (3, 23762340), (4, 17821755), (5, 14257404), (6, 11881170), (7, 10183860), (9, 7920780), (10, 7128702), (12, 5940585), (14, 5091930), (15, 4752468), (18, 3960390), (20, 3564351), (21, 3394620), (27, 2640260), (28, 2545965), (30, 2376234), (35, 2036772), (36, 1980195), (42, 1697310), (45, 1584156), (54, 1320130), (60, 1188117), (63, 1131540), (70, 1018386), (84, 848655), (90, 792078), (105, 678924), (108, 660065), (126, 565770), (135, 528052), (140, 509193), (180, 396039), (189, 377180), (210, 339462), (252, 282885), (270, 264026), (315, 226308), (378, 188590), (420, 169731), (540, 132013), (630, 113154), (756, 94295), (945, 75436), (1260, 56577), (1890, 37718), (3780, 18859)]