201619520

素因数分解:

$2^6\times 5^1\times {\mathrm{59}}^2\times {\mathrm{181}}^1$

素因数の和:316

約数の個数: 84

約数和(自身を含む): 491080044

約数和(自身を除く): 289460524

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 160, 181, 236, 295, 320, 362, 472, 590, 724, 905, 944, 1180, 1448, 1810, 1888, 2360, 2896, 3481, 3620, 3776, 4720, 5792, 6962, 7240, 9440, 10679, 11584, 13924, 14480, 17405, 18880, 21358, 27848, 28960, 34810, 42716, 53395, 55696, 57920, 69620, 85432, 106790, 111392, 139240, 170864, 213580, 222784, 278480, 341728, 427160, 556960, 630061, 683456, 854320, 1113920, 1260122, 1708640, 2520244, 3150305, 3417280, 5040488, 6300610, 10080976, 12601220, 20161952, 25202440, 40323904, 50404880, 100809760, 201619520]

約数ペア:

[(1, 201619520), (2, 100809760), (4, 50404880), (5, 40323904), (8, 25202440), (10, 20161952), (16, 12601220), (20, 10080976), (32, 6300610), (40, 5040488), (59, 3417280), (64, 3150305), (80, 2520244), (118, 1708640), (160, 1260122), (181, 1113920), (236, 854320), (295, 683456), (320, 630061), (362, 556960), (472, 427160), (590, 341728), (724, 278480), (905, 222784), (944, 213580), (1180, 170864), (1448, 139240), (1810, 111392), (1888, 106790), (2360, 85432), (2896, 69620), (3481, 57920), (3620, 55696), (3776, 53395), (4720, 42716), (5792, 34810), (6962, 28960), (7240, 27848), (9440, 21358), (10679, 18880), (11584, 17405), (13924, 14480)]