128831976

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^2$

素因数の和:145

約数の個数: 216

約数和(自身を含む): 445511430

約数和(自身を除く): 316679454

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 49, 52, 53, 56, 63, 72, 78, 84, 91, 98, 104, 106, 117, 126, 147, 156, 159, 168, 182, 196, 212, 234, 252, 273, 294, 312, 318, 364, 371, 392, 424, 441, 468, 477, 504, 546, 588, 636, 637, 689, 728, 742, 819, 882, 936, 954, 1092, 1113, 1176, 1272, 1274, 1378, 1484, 1638, 1764, 1908, 1911, 2067, 2184, 2226, 2548, 2597, 2756, 2809, 2968, 3276, 3339, 3528, 3816, 3822, 4134, 4452, 4823, 5096, 5194, 5512, 5618, 5733, 6201, 6552, 6678, 7644, 7791, 8268, 8427, 8904, 9646, 10388, 11236, 11466, 12402, 13356, 14469, 15288, 15582, 16536, 16854, 19292, 19663, 20776, 22472, 22932, 23373, 24804, 25281, 26712, 28938, 31164, 33708, 33761, 36517, 38584, 39326, 43407, 45864, 46746, 49608, 50562, 57876, 58989, 62328, 67416, 67522, 73034, 78652, 86814, 93492, 101124, 101283, 109551, 115752, 117978, 135044, 137641, 146068, 157304, 173628, 176967, 186984, 202248, 202566, 219102, 235956, 255619, 270088, 275282, 292136, 303849, 328653, 347256, 353934, 405132, 412923, 438204, 471912, 511238, 550564, 607698, 657306, 707868, 766857, 810264, 825846, 876408, 1022476, 1101128, 1215396, 1238769, 1314612, 1415736, 1533714, 1651692, 1789333, 2044952, 2300571, 2430792, 2477538, 2629224, 3067428, 3303384, 3578666, 4601142, 4955076, 5367999, 6134856, 7157332, 9202284, 9910152, 10735998, 14314664, 16103997, 18404568, 21471996, 32207994, 42943992, 64415988, 128831976]

約数ペア:

[(1, 128831976), (2, 64415988), (3, 42943992), (4, 32207994), (6, 21471996), (7, 18404568), (8, 16103997), (9, 14314664), (12, 10735998), (13, 9910152), (14, 9202284), (18, 7157332), (21, 6134856), (24, 5367999), (26, 4955076), (28, 4601142), (36, 3578666), (39, 3303384), (42, 3067428), (49, 2629224), (52, 2477538), (53, 2430792), (56, 2300571), (63, 2044952), (72, 1789333), (78, 1651692), (84, 1533714), (91, 1415736), (98, 1314612), (104, 1238769), (106, 1215396), (117, 1101128), (126, 1022476), (147, 876408), (156, 825846), (159, 810264), (168, 766857), (182, 707868), (196, 657306), (212, 607698), (234, 550564), (252, 511238), (273, 471912), (294, 438204), (312, 412923), (318, 405132), (364, 353934), (371, 347256), (392, 328653), (424, 303849), (441, 292136), (468, 275282), (477, 270088), (504, 255619), (546, 235956), (588, 219102), (636, 202566), (637, 202248), (689, 186984), (728, 176967), (742, 173628), (819, 157304), (882, 146068), (936, 137641), (954, 135044), (1092, 117978), (1113, 115752), (1176, 109551), (1272, 101283), (1274, 101124), (1378, 93492), (1484, 86814), (1638, 78652), (1764, 73034), (1908, 67522), (1911, 67416), (2067, 62328), (2184, 58989), (2226, 57876), (2548, 50562), (2597, 49608), (2756, 46746), (2809, 45864), (2968, 43407), (3276, 39326), (3339, 38584), (3528, 36517), (3816, 33761), (3822, 33708), (4134, 31164), (4452, 28938), (4823, 26712), (5096, 25281), (5194, 24804), (5512, 23373), (5618, 22932), (5733, 22472), (6201, 20776), (6552, 19663), (6678, 19292), (7644, 16854), (7791, 16536), (8268, 15582), (8427, 15288), (8904, 14469), (9646, 13356), (10388, 12402), (11236, 11466)]