128579724

素因数分解:

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

素因数の和:139

約数の個数: 240

約数和(自身を含む): 426888000

約数和(自身を除く): 298308276

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 49, 52, 54, 63, 78, 81, 84, 89, 91, 98, 108, 117, 126, 147, 156, 162, 178, 182, 189, 196, 234, 252, 267, 273, 294, 324, 343, 351, 356, 364, 378, 441, 468, 534, 546, 567, 588, 623, 637, 686, 702, 756, 801, 819, 882, 1029, 1053, 1068, 1092, 1134, 1157, 1246, 1274, 1323, 1372, 1404, 1602, 1638, 1764, 1869, 1911, 2058, 2106, 2268, 2314, 2403, 2457, 2492, 2548, 2646, 3087, 3204, 3276, 3471, 3738, 3822, 3969, 4116, 4212, 4361, 4459, 4628, 4806, 4914, 5292, 5607, 5733, 6174, 6942, 7209, 7371, 7476, 7644, 7938, 8099, 8722, 8918, 9261, 9612, 9828, 10413, 11214, 11466, 12348, 13083, 13377, 13884, 14418, 14742, 15876, 16198, 16821, 17199, 17444, 17836, 18522, 20826, 22428, 22932, 24297, 26166, 26754, 27783, 28836, 29484, 30527, 31239, 32396, 33642, 34398, 37044, 39249, 40131, 41652, 48594, 50463, 51597, 52332, 53508, 55566, 56693, 61054, 62478, 67284, 68796, 72891, 78498, 80262, 91581, 93717, 97188, 100926, 103194, 111132, 113386, 117747, 120393, 122108, 124956, 145782, 156996, 160524, 170079, 183162, 187434, 201852, 206388, 218673, 226772, 235494, 240786, 274743, 291564, 340158, 353241, 361179, 366324, 374868, 396851, 437346, 470988, 481572, 510237, 549486, 656019, 680316, 706482, 722358, 793702, 824229, 874692, 1020474, 1098972, 1190553, 1312038, 1412964, 1444716, 1530711, 1587404, 1648458, 2040948, 2381106, 2472687, 2624076, 3061422, 3296916, 3571659, 4592133, 4762212, 4945374, 6122844, 7143318, 9184266, 9890748, 10714977, 14286636, 18368532, 21429954, 32144931, 42859908, 64289862, 128579724]

約数ペア:

[(1, 128579724), (2, 64289862), (3, 42859908), (4, 32144931), (6, 21429954), (7, 18368532), (9, 14286636), (12, 10714977), (13, 9890748), (14, 9184266), (18, 7143318), (21, 6122844), (26, 4945374), (27, 4762212), (28, 4592133), (36, 3571659), (39, 3296916), (42, 3061422), (49, 2624076), (52, 2472687), (54, 2381106), (63, 2040948), (78, 1648458), (81, 1587404), (84, 1530711), (89, 1444716), (91, 1412964), (98, 1312038), (108, 1190553), (117, 1098972), (126, 1020474), (147, 874692), (156, 824229), (162, 793702), (178, 722358), (182, 706482), (189, 680316), (196, 656019), (234, 549486), (252, 510237), (267, 481572), (273, 470988), (294, 437346), (324, 396851), (343, 374868), (351, 366324), (356, 361179), (364, 353241), (378, 340158), (441, 291564), (468, 274743), (534, 240786), (546, 235494), (567, 226772), (588, 218673), (623, 206388), (637, 201852), (686, 187434), (702, 183162), (756, 170079), (801, 160524), (819, 156996), (882, 145782), (1029, 124956), (1053, 122108), (1068, 120393), (1092, 117747), (1134, 113386), (1157, 111132), (1246, 103194), (1274, 100926), (1323, 97188), (1372, 93717), (1404, 91581), (1602, 80262), (1638, 78498), (1764, 72891), (1869, 68796), (1911, 67284), (2058, 62478), (2106, 61054), (2268, 56693), (2314, 55566), (2403, 53508), (2457, 52332), (2492, 51597), (2548, 50463), (2646, 48594), (3087, 41652), (3204, 40131), (3276, 39249), (3471, 37044), (3738, 34398), (3822, 33642), (3969, 32396), (4116, 31239), (4212, 30527), (4361, 29484), (4459, 28836), (4628, 27783), (4806, 26754), (4914, 26166), (5292, 24297), (5607, 22932), (5733, 22428), (6174, 20826), (6942, 18522), (7209, 17836), (7371, 17444), (7476, 17199), (7644, 16821), (7938, 16198), (8099, 15876), (8722, 14742), (8918, 14418), (9261, 13884), (9612, 13377), (9828, 13083), (10413, 12348), (11214, 11466)]