257159448

素因数分解:

$2^3\times 3^4\times 7^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:141

約数の個数: 320

約数和(自身を含む): 914760000

約数和(自身を除く): 657600552

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 49, 52, 54, 56, 63, 72, 78, 81, 84, 89, 91, 98, 104, 108, 117, 126, 147, 156, 162, 168, 178, 182, 189, 196, 216, 234, 252, 267, 273, 294, 312, 324, 343, 351, 356, 364, 378, 392, 441, 468, 504, 534, 546, 567, 588, 623, 637, 648, 686, 702, 712, 728, 756, 801, 819, 882, 936, 1029, 1053, 1068, 1092, 1134, 1157, 1176, 1246, 1274, 1323, 1372, 1404, 1512, 1602, 1638, 1764, 1869, 1911, 2058, 2106, 2136, 2184, 2268, 2314, 2403, 2457, 2492, 2548, 2646, 2744, 2808, 3087, 3204, 3276, 3471, 3528, 3738, 3822, 3969, 4116, 4212, 4361, 4459, 4536, 4628, 4806, 4914, 4984, 5096, 5292, 5607, 5733, 6174, 6408, 6552, 6942, 7209, 7371, 7476, 7644, 7938, 8099, 8232, 8424, 8722, 8918, 9256, 9261, 9612, 9828, 10413, 10584, 11214, 11466, 12348, 13083, 13377, 13884, 14418, 14742, 14952, 15288, 15876, 16198, 16821, 17199, 17444, 17836, 18522, 19224, 19656, 20826, 22428, 22932, 24297, 24696, 26166, 26754, 27768, 27783, 28836, 29484, 30527, 31239, 31752, 32396, 33642, 34398, 34888, 35672, 37044, 39249, 40131, 41652, 44856, 45864, 48594, 50463, 51597, 52332, 53508, 55566, 56693, 57672, 58968, 61054, 62478, 64792, 67284, 68796, 72891, 74088, 78498, 80262, 83304, 91581, 93717, 97188, 100926, 103194, 104664, 107016, 111132, 113386, 117747, 120393, 122108, 124956, 134568, 137592, 145782, 156996, 160524, 170079, 183162, 187434, 194376, 201852, 206388, 218673, 222264, 226772, 235494, 240786, 244216, 249912, 274743, 291564, 313992, 321048, 340158, 353241, 361179, 366324, 374868, 396851, 403704, 412776, 437346, 453544, 470988, 481572, 510237, 549486, 583128, 656019, 680316, 706482, 722358, 732648, 749736, 793702, 824229, 874692, 941976, 963144, 1020474, 1098972, 1190553, 1312038, 1360632, 1412964, 1444716, 1530711, 1587404, 1648458, 1749384, 2040948, 2197944, 2381106, 2472687, 2624076, 2825928, 2889432, 3061422, 3174808, 3296916, 3571659, 4081896, 4592133, 4762212, 4945374, 5248152, 6122844, 6593832, 7143318, 9184266, 9524424, 9890748, 10714977, 12245688, 14286636, 18368532, 19781496, 21429954, 28573272, 32144931, 36737064, 42859908, 64289862, 85719816, 128579724, 257159448]

約数ペア:

[(1, 257159448), (2, 128579724), (3, 85719816), (4, 64289862), (6, 42859908), (7, 36737064), (8, 32144931), (9, 28573272), (12, 21429954), (13, 19781496), (14, 18368532), (18, 14286636), (21, 12245688), (24, 10714977), (26, 9890748), (27, 9524424), (28, 9184266), (36, 7143318), (39, 6593832), (42, 6122844), (49, 5248152), (52, 4945374), (54, 4762212), (56, 4592133), (63, 4081896), (72, 3571659), (78, 3296916), (81, 3174808), (84, 3061422), (89, 2889432), (91, 2825928), (98, 2624076), (104, 2472687), (108, 2381106), (117, 2197944), (126, 2040948), (147, 1749384), (156, 1648458), (162, 1587404), (168, 1530711), (178, 1444716), (182, 1412964), (189, 1360632), (196, 1312038), (216, 1190553), (234, 1098972), (252, 1020474), (267, 963144), (273, 941976), (294, 874692), (312, 824229), (324, 793702), (343, 749736), (351, 732648), (356, 722358), (364, 706482), (378, 680316), (392, 656019), (441, 583128), (468, 549486), (504, 510237), (534, 481572), (546, 470988), (567, 453544), (588, 437346), (623, 412776), (637, 403704), (648, 396851), (686, 374868), (702, 366324), (712, 361179), (728, 353241), (756, 340158), (801, 321048), (819, 313992), (882, 291564), (936, 274743), (1029, 249912), (1053, 244216), (1068, 240786), (1092, 235494), (1134, 226772), (1157, 222264), (1176, 218673), (1246, 206388), (1274, 201852), (1323, 194376), (1372, 187434), (1404, 183162), (1512, 170079), (1602, 160524), (1638, 156996), (1764, 145782), (1869, 137592), (1911, 134568), (2058, 124956), (2106, 122108), (2136, 120393), (2184, 117747), (2268, 113386), (2314, 111132), (2403, 107016), (2457, 104664), (2492, 103194), (2548, 100926), (2646, 97188), (2744, 93717), (2808, 91581), (3087, 83304), (3204, 80262), (3276, 78498), (3471, 74088), (3528, 72891), (3738, 68796), (3822, 67284), (3969, 64792), (4116, 62478), (4212, 61054), (4361, 58968), (4459, 57672), (4536, 56693), (4628, 55566), (4806, 53508), (4914, 52332), (4984, 51597), (5096, 50463), (5292, 48594), (5607, 45864), (5733, 44856), (6174, 41652), (6408, 40131), (6552, 39249), (6942, 37044), (7209, 35672), (7371, 34888), (7476, 34398), (7644, 33642), (7938, 32396), (8099, 31752), (8232, 31239), (8424, 30527), (8722, 29484), (8918, 28836), (9256, 27783), (9261, 27768), (9612, 26754), (9828, 26166), (10413, 24696), (10584, 24297), (11214, 22932), (11466, 22428), (12348, 20826), (13083, 19656), (13377, 19224), (13884, 18522), (14418, 17836), (14742, 17444), (14952, 17199), (15288, 16821), (15876, 16198)]