15421320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:260

約数の個数: 128

約数和(自身を含む): 52272000

約数和(自身を除く): 36850680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 109, 120, 131, 135, 180, 216, 218, 262, 270, 327, 360, 393, 436, 524, 540, 545, 654, 655, 786, 872, 981, 1048, 1080, 1090, 1179, 1308, 1310, 1572, 1635, 1962, 1965, 2180, 2358, 2616, 2620, 2943, 3144, 3270, 3537, 3924, 3930, 4360, 4716, 4905, 5240, 5886, 5895, 6540, 7074, 7848, 7860, 9432, 9810, 11772, 11790, 13080, 14148, 14279, 14715, 15720, 17685, 19620, 23544, 23580, 28296, 28558, 29430, 35370, 39240, 42837, 47160, 57116, 58860, 70740, 71395, 85674, 114232, 117720, 128511, 141480, 142790, 171348, 214185, 257022, 285580, 342696, 385533, 428370, 514044, 571160, 642555, 771066, 856740, 1028088, 1285110, 1542132, 1713480, 1927665, 2570220, 3084264, 3855330, 5140440, 7710660, 15421320]

約数ペア:

[(1, 15421320), (2, 7710660), (3, 5140440), (4, 3855330), (5, 3084264), (6, 2570220), (8, 1927665), (9, 1713480), (10, 1542132), (12, 1285110), (15, 1028088), (18, 856740), (20, 771066), (24, 642555), (27, 571160), (30, 514044), (36, 428370), (40, 385533), (45, 342696), (54, 285580), (60, 257022), (72, 214185), (90, 171348), (108, 142790), (109, 141480), (120, 128511), (131, 117720), (135, 114232), (180, 85674), (216, 71395), (218, 70740), (262, 58860), (270, 57116), (327, 47160), (360, 42837), (393, 39240), (436, 35370), (524, 29430), (540, 28558), (545, 28296), (654, 23580), (655, 23544), (786, 19620), (872, 17685), (981, 15720), (1048, 14715), (1080, 14279), (1090, 14148), (1179, 13080), (1308, 11790), (1310, 11772), (1572, 9810), (1635, 9432), (1962, 7860), (1965, 7848), (2180, 7074), (2358, 6540), (2616, 5895), (2620, 5886), (2943, 5240), (3144, 4905), (3270, 4716), (3537, 4360), (3924, 3930)]