128643228

素因数分解:

$2^2\times 3^5\times 7^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:143

約数の個数: 216

約数和(自身を含む): 408403632

約数和(自身を除く): 279760404

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 37, 42, 49, 54, 63, 73, 74, 81, 84, 98, 108, 111, 126, 146, 147, 148, 162, 189, 196, 219, 222, 243, 252, 259, 292, 294, 324, 333, 378, 438, 441, 444, 486, 511, 518, 567, 588, 657, 666, 756, 777, 876, 882, 972, 999, 1022, 1036, 1134, 1314, 1323, 1332, 1533, 1554, 1701, 1764, 1813, 1971, 1998, 2044, 2268, 2331, 2628, 2646, 2701, 2997, 3066, 3108, 3402, 3577, 3626, 3942, 3969, 3996, 4599, 4662, 5292, 5402, 5439, 5913, 5994, 6132, 6804, 6993, 7154, 7252, 7884, 7938, 8103, 8991, 9198, 9324, 10731, 10804, 10878, 11826, 11907, 11988, 13797, 13986, 14308, 15876, 16206, 16317, 17739, 17982, 18396, 18907, 20979, 21462, 21756, 23652, 23814, 24309, 27594, 27972, 32193, 32412, 32634, 35478, 35964, 37814, 41391, 41958, 42924, 47628, 48618, 48951, 55188, 56721, 62937, 64386, 65268, 70956, 72927, 75628, 82782, 83916, 96579, 97236, 97902, 113442, 124173, 125874, 128772, 132349, 145854, 146853, 165564, 170163, 193158, 195804, 218781, 226884, 248346, 251748, 264698, 289737, 291708, 293706, 340326, 386316, 397047, 437562, 440559, 496692, 510489, 529396, 579474, 587412, 656343, 680652, 794094, 869211, 875124, 881118, 1020978, 1158948, 1191141, 1312686, 1531467, 1588188, 1738422, 1762236, 2041956, 2382282, 2625372, 3062934, 3476844, 3573423, 4594401, 4764564, 6125868, 7146846, 9188802, 10720269, 14293692, 18377604, 21440538, 32160807, 42881076, 64321614, 128643228]

約数ペア:

[(1, 128643228), (2, 64321614), (3, 42881076), (4, 32160807), (6, 21440538), (7, 18377604), (9, 14293692), (12, 10720269), (14, 9188802), (18, 7146846), (21, 6125868), (27, 4764564), (28, 4594401), (36, 3573423), (37, 3476844), (42, 3062934), (49, 2625372), (54, 2382282), (63, 2041956), (73, 1762236), (74, 1738422), (81, 1588188), (84, 1531467), (98, 1312686), (108, 1191141), (111, 1158948), (126, 1020978), (146, 881118), (147, 875124), (148, 869211), (162, 794094), (189, 680652), (196, 656343), (219, 587412), (222, 579474), (243, 529396), (252, 510489), (259, 496692), (292, 440559), (294, 437562), (324, 397047), (333, 386316), (378, 340326), (438, 293706), (441, 291708), (444, 289737), (486, 264698), (511, 251748), (518, 248346), (567, 226884), (588, 218781), (657, 195804), (666, 193158), (756, 170163), (777, 165564), (876, 146853), (882, 145854), (972, 132349), (999, 128772), (1022, 125874), (1036, 124173), (1134, 113442), (1314, 97902), (1323, 97236), (1332, 96579), (1533, 83916), (1554, 82782), (1701, 75628), (1764, 72927), (1813, 70956), (1971, 65268), (1998, 64386), (2044, 62937), (2268, 56721), (2331, 55188), (2628, 48951), (2646, 48618), (2701, 47628), (2997, 42924), (3066, 41958), (3108, 41391), (3402, 37814), (3577, 35964), (3626, 35478), (3942, 32634), (3969, 32412), (3996, 32193), (4599, 27972), (4662, 27594), (5292, 24309), (5402, 23814), (5439, 23652), (5913, 21756), (5994, 21462), (6132, 20979), (6804, 18907), (6993, 18396), (7154, 17982), (7252, 17739), (7884, 16317), (7938, 16206), (8103, 15876), (8991, 14308), (9198, 13986), (9324, 13797), (10731, 11988), (10804, 11907), (10878, 11826)]