51691920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1061}}^1$

素因数の和:1113

約数の個数: 160

約数和(自身を含む): 189630720

約数和(自身を除く): 137938800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 35, 40, 42, 48, 56, 58, 60, 70, 80, 84, 87, 105, 112, 116, 120, 140, 145, 168, 174, 203, 210, 232, 240, 280, 290, 336, 348, 406, 420, 435, 464, 560, 580, 609, 696, 812, 840, 870, 1015, 1061, 1160, 1218, 1392, 1624, 1680, 1740, 2030, 2122, 2320, 2436, 3045, 3183, 3248, 3480, 4060, 4244, 4872, 5305, 6090, 6366, 6960, 7427, 8120, 8488, 9744, 10610, 12180, 12732, 14854, 15915, 16240, 16976, 21220, 22281, 24360, 25464, 29708, 30769, 31830, 37135, 42440, 44562, 48720, 50928, 59416, 61538, 63660, 74270, 84880, 89124, 92307, 111405, 118832, 123076, 127320, 148540, 153845, 178248, 184614, 215383, 222810, 246152, 254640, 297080, 307690, 356496, 369228, 430766, 445620, 461535, 492304, 594160, 615380, 646149, 738456, 861532, 891240, 923070, 1076915, 1230760, 1292298, 1476912, 1723064, 1782480, 1846140, 2153830, 2461520, 2584596, 3230745, 3446128, 3692280, 4307660, 5169192, 6461490, 7384560, 8615320, 10338384, 12922980, 17230640, 25845960, 51691920]

約数ペア:

[(1, 51691920), (2, 25845960), (3, 17230640), (4, 12922980), (5, 10338384), (6, 8615320), (7, 7384560), (8, 6461490), (10, 5169192), (12, 4307660), (14, 3692280), (15, 3446128), (16, 3230745), (20, 2584596), (21, 2461520), (24, 2153830), (28, 1846140), (29, 1782480), (30, 1723064), (35, 1476912), (40, 1292298), (42, 1230760), (48, 1076915), (56, 923070), (58, 891240), (60, 861532), (70, 738456), (80, 646149), (84, 615380), (87, 594160), (105, 492304), (112, 461535), (116, 445620), (120, 430766), (140, 369228), (145, 356496), (168, 307690), (174, 297080), (203, 254640), (210, 246152), (232, 222810), (240, 215383), (280, 184614), (290, 178248), (336, 153845), (348, 148540), (406, 127320), (420, 123076), (435, 118832), (464, 111405), (560, 92307), (580, 89124), (609, 84880), (696, 74270), (812, 63660), (840, 61538), (870, 59416), (1015, 50928), (1061, 48720), (1160, 44562), (1218, 42440), (1392, 37135), (1624, 31830), (1680, 30769), (1740, 29708), (2030, 25464), (2122, 24360), (2320, 22281), (2436, 21220), (3045, 16976), (3183, 16240), (3248, 15915), (3480, 14854), (4060, 12732), (4244, 12180), (4872, 10610), (5305, 9744), (6090, 8488), (6366, 8120), (6960, 7427)]