40680780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 134791776

約数和(自身を除く): 94110996

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 101, 105, 137, 140, 147, 196, 202, 210, 245, 274, 294, 303, 404, 411, 420, 490, 505, 548, 588, 606, 685, 707, 735, 822, 959, 980, 1010, 1212, 1370, 1414, 1470, 1515, 1644, 1918, 2020, 2055, 2121, 2740, 2828, 2877, 2940, 3030, 3535, 3836, 4110, 4242, 4795, 4949, 5754, 6060, 6713, 7070, 8220, 8484, 9590, 9898, 10605, 11508, 13426, 13837, 14140, 14385, 14847, 19180, 19796, 20139, 21210, 24745, 26852, 27674, 28770, 29694, 33565, 40278, 41511, 42420, 49490, 55348, 57540, 59388, 67130, 69185, 74235, 80556, 83022, 96859, 98980, 100695, 134260, 138370, 148470, 166044, 193718, 201390, 207555, 276740, 290577, 296940, 387436, 402780, 415110, 484295, 581154, 678013, 830220, 968590, 1162308, 1356026, 1452885, 1937180, 2034039, 2712052, 2905770, 3390065, 4068078, 5811540, 6780130, 8136156, 10170195, 13560260, 20340390, 40680780]

約数ペア:

[(1, 40680780), (2, 20340390), (3, 13560260), (4, 10170195), (5, 8136156), (6, 6780130), (7, 5811540), (10, 4068078), (12, 3390065), (14, 2905770), (15, 2712052), (20, 2034039), (21, 1937180), (28, 1452885), (30, 1356026), (35, 1162308), (42, 968590), (49, 830220), (60, 678013), (70, 581154), (84, 484295), (98, 415110), (101, 402780), (105, 387436), (137, 296940), (140, 290577), (147, 276740), (196, 207555), (202, 201390), (210, 193718), (245, 166044), (274, 148470), (294, 138370), (303, 134260), (404, 100695), (411, 98980), (420, 96859), (490, 83022), (505, 80556), (548, 74235), (588, 69185), (606, 67130), (685, 59388), (707, 57540), (735, 55348), (822, 49490), (959, 42420), (980, 41511), (1010, 40278), (1212, 33565), (1370, 29694), (1414, 28770), (1470, 27674), (1515, 26852), (1644, 24745), (1918, 21210), (2020, 20139), (2055, 19796), (2121, 19180), (2740, 14847), (2828, 14385), (2877, 14140), (2940, 13837), (3030, 13426), (3535, 11508), (3836, 10605), (4110, 9898), (4242, 9590), (4795, 8484), (4949, 8220), (5754, 7070), (6060, 6713)]