131931288

素因数分解:

$2^3\times 3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 256

約数和(自身を含む): 428544000

約数和(自身を除く): 296612712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 19, 24, 27, 31, 34, 36, 38, 51, 54, 57, 61, 62, 68, 72, 76, 93, 102, 108, 114, 122, 124, 136, 152, 153, 171, 183, 186, 204, 216, 228, 244, 248, 279, 306, 323, 342, 366, 372, 408, 456, 459, 488, 513, 527, 549, 558, 589, 612, 646, 684, 732, 744, 837, 918, 969, 1026, 1037, 1054, 1098, 1116, 1159, 1178, 1224, 1292, 1368, 1464, 1581, 1647, 1674, 1767, 1836, 1891, 1938, 2052, 2074, 2108, 2196, 2232, 2318, 2356, 2584, 2907, 3111, 3162, 3294, 3348, 3477, 3534, 3672, 3782, 3876, 4104, 4148, 4216, 4392, 4636, 4712, 4743, 5301, 5673, 5814, 6222, 6324, 6588, 6696, 6954, 7068, 7564, 7752, 8296, 8721, 9272, 9333, 9486, 10013, 10431, 10602, 11346, 11628, 12444, 12648, 13176, 13908, 14136, 14229, 15128, 15903, 17019, 17442, 18666, 18972, 19703, 20026, 20862, 21204, 22692, 23256, 24888, 27816, 27999, 28458, 30039, 31293, 31806, 32147, 34038, 34884, 35929, 37332, 37944, 39406, 40052, 41724, 42408, 45384, 51057, 55998, 56916, 59109, 60078, 62586, 63612, 64294, 68076, 69768, 71858, 74664, 78812, 80104, 83448, 90117, 96441, 102114, 107787, 111996, 113832, 118218, 120156, 125172, 127224, 128588, 136152, 143716, 157624, 177327, 180234, 192882, 204228, 215574, 223992, 236436, 240312, 250344, 257176, 270351, 287432, 289323, 323361, 354654, 360468, 385764, 408456, 431148, 472872, 531981, 540702, 578646, 610793, 646722, 709308, 720936, 771528, 862296, 867969, 970083, 1063962, 1081404, 1157292, 1221586, 1293444, 1418616, 1735938, 1832379, 1940166, 2127924, 2162808, 2314584, 2443172, 2586888, 3471876, 3664758, 3880332, 4255848, 4886344, 5497137, 6943752, 7329516, 7760664, 10994274, 14659032, 16491411, 21988548, 32982822, 43977096, 65965644, 131931288]

約数ペア:

[(1, 131931288), (2, 65965644), (3, 43977096), (4, 32982822), (6, 21988548), (8, 16491411), (9, 14659032), (12, 10994274), (17, 7760664), (18, 7329516), (19, 6943752), (24, 5497137), (27, 4886344), (31, 4255848), (34, 3880332), (36, 3664758), (38, 3471876), (51, 2586888), (54, 2443172), (57, 2314584), (61, 2162808), (62, 2127924), (68, 1940166), (72, 1832379), (76, 1735938), (93, 1418616), (102, 1293444), (108, 1221586), (114, 1157292), (122, 1081404), (124, 1063962), (136, 970083), (152, 867969), (153, 862296), (171, 771528), (183, 720936), (186, 709308), (204, 646722), (216, 610793), (228, 578646), (244, 540702), (248, 531981), (279, 472872), (306, 431148), (323, 408456), (342, 385764), (366, 360468), (372, 354654), (408, 323361), (456, 289323), (459, 287432), (488, 270351), (513, 257176), (527, 250344), (549, 240312), (558, 236436), (589, 223992), (612, 215574), (646, 204228), (684, 192882), (732, 180234), (744, 177327), (837, 157624), (918, 143716), (969, 136152), (1026, 128588), (1037, 127224), (1054, 125172), (1098, 120156), (1116, 118218), (1159, 113832), (1178, 111996), (1224, 107787), (1292, 102114), (1368, 96441), (1464, 90117), (1581, 83448), (1647, 80104), (1674, 78812), (1767, 74664), (1836, 71858), (1891, 69768), (1938, 68076), (2052, 64294), (2074, 63612), (2108, 62586), (2196, 60078), (2232, 59109), (2318, 56916), (2356, 55998), (2584, 51057), (2907, 45384), (3111, 42408), (3162, 41724), (3294, 40052), (3348, 39406), (3477, 37944), (3534, 37332), (3672, 35929), (3782, 34884), (3876, 34038), (4104, 32147), (4148, 31806), (4216, 31293), (4392, 30039), (4636, 28458), (4712, 27999), (4743, 27816), (5301, 24888), (5673, 23256), (5814, 22692), (6222, 21204), (6324, 20862), (6588, 20026), (6696, 19703), (6954, 18972), (7068, 18666), (7564, 17442), (7752, 17019), (8296, 15903), (8721, 15128), (9272, 14229), (9333, 14136), (9486, 13908), (10013, 13176), (10431, 12648), (10602, 12444), (11346, 11628)]