55909980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{2113}}^1$

素因数の和:2145

約数の個数: 144

約数和(自身を含む): 202436640

約数和(自身を除く): 146526660

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, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2113, 2205, 2646, 2940, 3780, 4226, 4410, 5292, 6339, 6615, 8452, 8820, 10565, 12678, 13230, 14791, 19017, 21130, 25356, 26460, 29582, 31695, 38034, 42260, 44373, 57051, 59164, 63390, 73955, 76068, 88746, 95085, 103537, 114102, 126780, 133119, 147910, 177492, 190170, 207074, 221865, 228204, 266238, 285255, 295820, 310611, 380340, 399357, 414148, 443730, 517685, 532476, 570510, 621222, 665595, 798714, 887460, 931833, 1035370, 1141020, 1242444, 1331190, 1553055, 1597428, 1863666, 1996785, 2070740, 2662380, 2795499, 3106110, 3727332, 3993570, 4659165, 5590998, 6212220, 7987140, 9318330, 11181996, 13977495, 18636660, 27954990, 55909980]

約数ペア:

[(1, 55909980), (2, 27954990), (3, 18636660), (4, 13977495), (5, 11181996), (6, 9318330), (7, 7987140), (9, 6212220), (10, 5590998), (12, 4659165), (14, 3993570), (15, 3727332), (18, 3106110), (20, 2795499), (21, 2662380), (27, 2070740), (28, 1996785), (30, 1863666), (35, 1597428), (36, 1553055), (42, 1331190), (45, 1242444), (49, 1141020), (54, 1035370), (60, 931833), (63, 887460), (70, 798714), (84, 665595), (90, 621222), (98, 570510), (105, 532476), (108, 517685), (126, 443730), (135, 414148), (140, 399357), (147, 380340), (180, 310611), (189, 295820), (196, 285255), (210, 266238), (245, 228204), (252, 221865), (270, 207074), (294, 190170), (315, 177492), (378, 147910), (420, 133119), (441, 126780), (490, 114102), (540, 103537), (588, 95085), (630, 88746), (735, 76068), (756, 73955), (882, 63390), (945, 59164), (980, 57051), (1260, 44373), (1323, 42260), (1470, 38034), (1764, 31695), (1890, 29582), (2113, 26460), (2205, 25356), (2646, 21130), (2940, 19017), (3780, 14791), (4226, 13230), (4410, 12678), (5292, 10565), (6339, 8820), (6615, 8452)]