18553320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:480

約数の個数: 128

約数和(自身を含む): 63504000

約数和(自身を除く): 44950680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 41, 45, 54, 60, 72, 82, 90, 108, 120, 123, 135, 164, 180, 205, 216, 246, 270, 328, 360, 369, 410, 419, 492, 540, 615, 738, 820, 838, 984, 1080, 1107, 1230, 1257, 1476, 1640, 1676, 1845, 2095, 2214, 2460, 2514, 2952, 3352, 3690, 3771, 4190, 4428, 4920, 5028, 5535, 6285, 7380, 7542, 8380, 8856, 10056, 11070, 11313, 12570, 14760, 15084, 16760, 17179, 18855, 22140, 22626, 25140, 30168, 34358, 37710, 44280, 45252, 50280, 51537, 56565, 68716, 75420, 85895, 90504, 103074, 113130, 137432, 150840, 154611, 171790, 206148, 226260, 257685, 309222, 343580, 412296, 452520, 463833, 515370, 618444, 687160, 773055, 927666, 1030740, 1236888, 1546110, 1855332, 2061480, 2319165, 3092220, 3710664, 4638330, 6184440, 9276660, 18553320]

約数ペア:

[(1, 18553320), (2, 9276660), (3, 6184440), (4, 4638330), (5, 3710664), (6, 3092220), (8, 2319165), (9, 2061480), (10, 1855332), (12, 1546110), (15, 1236888), (18, 1030740), (20, 927666), (24, 773055), (27, 687160), (30, 618444), (36, 515370), (40, 463833), (41, 452520), (45, 412296), (54, 343580), (60, 309222), (72, 257685), (82, 226260), (90, 206148), (108, 171790), (120, 154611), (123, 150840), (135, 137432), (164, 113130), (180, 103074), (205, 90504), (216, 85895), (246, 75420), (270, 68716), (328, 56565), (360, 51537), (369, 50280), (410, 45252), (419, 44280), (492, 37710), (540, 34358), (615, 30168), (738, 25140), (820, 22626), (838, 22140), (984, 18855), (1080, 17179), (1107, 16760), (1230, 15084), (1257, 14760), (1476, 12570), (1640, 11313), (1676, 11070), (1845, 10056), (2095, 8856), (2214, 8380), (2460, 7542), (2514, 7380), (2952, 6285), (3352, 5535), (3690, 5028), (3771, 4920), (4190, 4428)]