55537740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:352

約数の個数: 144

約数和(自身を含む): 179262720

約数和(自身を除く): 123724980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 37, 45, 60, 62, 74, 90, 93, 111, 124, 148, 155, 180, 185, 186, 222, 269, 279, 310, 333, 370, 372, 444, 465, 538, 555, 558, 620, 666, 740, 807, 930, 1076, 1110, 1116, 1147, 1332, 1345, 1395, 1614, 1665, 1860, 2220, 2294, 2421, 2690, 2790, 3228, 3330, 3441, 4035, 4588, 4842, 5380, 5580, 5735, 6660, 6882, 8070, 8339, 9684, 9953, 10323, 11470, 12105, 13764, 16140, 16678, 17205, 19906, 20646, 22940, 24210, 25017, 29859, 33356, 34410, 39812, 41292, 41695, 48420, 49765, 50034, 51615, 59718, 68820, 75051, 83390, 89577, 99530, 100068, 103230, 119436, 125085, 149295, 150102, 166780, 179154, 199060, 206460, 250170, 298590, 300204, 308543, 358308, 375255, 447885, 500340, 597180, 617086, 750510, 895770, 925629, 1234172, 1501020, 1542715, 1791540, 1851258, 2776887, 3085430, 3702516, 4628145, 5553774, 6170860, 9256290, 11107548, 13884435, 18512580, 27768870, 55537740]

約数ペア:

[(1, 55537740), (2, 27768870), (3, 18512580), (4, 13884435), (5, 11107548), (6, 9256290), (9, 6170860), (10, 5553774), (12, 4628145), (15, 3702516), (18, 3085430), (20, 2776887), (30, 1851258), (31, 1791540), (36, 1542715), (37, 1501020), (45, 1234172), (60, 925629), (62, 895770), (74, 750510), (90, 617086), (93, 597180), (111, 500340), (124, 447885), (148, 375255), (155, 358308), (180, 308543), (185, 300204), (186, 298590), (222, 250170), (269, 206460), (279, 199060), (310, 179154), (333, 166780), (370, 150102), (372, 149295), (444, 125085), (465, 119436), (538, 103230), (555, 100068), (558, 99530), (620, 89577), (666, 83390), (740, 75051), (807, 68820), (930, 59718), (1076, 51615), (1110, 50034), (1116, 49765), (1147, 48420), (1332, 41695), (1345, 41292), (1395, 39812), (1614, 34410), (1665, 33356), (1860, 29859), (2220, 25017), (2294, 24210), (2421, 22940), (2690, 20646), (2790, 19906), (3228, 17205), (3330, 16678), (3441, 16140), (4035, 13764), (4588, 12105), (4842, 11470), (5380, 10323), (5580, 9953), (5735, 9684), (6660, 8339), (6882, 8070)]