16340520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{397}}^1$

素因数の和:432

約数の個数: 128

約数和(自身を含む): 57312000

約数和(自身を除く): 40971480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 397, 420, 490, 588, 686, 735, 794, 840, 980, 1029, 1176, 1191, 1372, 1470, 1588, 1715, 1960, 1985, 2058, 2382, 2744, 2779, 2940, 3176, 3430, 3970, 4116, 4764, 5145, 5558, 5880, 5955, 6860, 7940, 8232, 8337, 9528, 10290, 11116, 11910, 13720, 13895, 15880, 16674, 19453, 20580, 22232, 23820, 27790, 33348, 38906, 41160, 41685, 47640, 55580, 58359, 66696, 77812, 83370, 97265, 111160, 116718, 136171, 155624, 166740, 194530, 233436, 272342, 291795, 333480, 389060, 408513, 466872, 544684, 583590, 680855, 778120, 817026, 1089368, 1167180, 1361710, 1634052, 2042565, 2334360, 2723420, 3268104, 4085130, 5446840, 8170260, 16340520]

約数ペア:

[(1, 16340520), (2, 8170260), (3, 5446840), (4, 4085130), (5, 3268104), (6, 2723420), (7, 2334360), (8, 2042565), (10, 1634052), (12, 1361710), (14, 1167180), (15, 1089368), (20, 817026), (21, 778120), (24, 680855), (28, 583590), (30, 544684), (35, 466872), (40, 408513), (42, 389060), (49, 333480), (56, 291795), (60, 272342), (70, 233436), (84, 194530), (98, 166740), (105, 155624), (120, 136171), (140, 116718), (147, 111160), (168, 97265), (196, 83370), (210, 77812), (245, 66696), (280, 58359), (294, 55580), (343, 47640), (392, 41685), (397, 41160), (420, 38906), (490, 33348), (588, 27790), (686, 23820), (735, 22232), (794, 20580), (840, 19453), (980, 16674), (1029, 15880), (1176, 13895), (1191, 13720), (1372, 11910), (1470, 11116), (1588, 10290), (1715, 9528), (1960, 8337), (1985, 8232), (2058, 7940), (2382, 6860), (2744, 5955), (2779, 5880), (2940, 5558), (3176, 5145), (3430, 4764), (3970, 4116)]