80221428

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:224

約数の個数: 180

約数和(自身を含む): 253368192

約数和(自身を除く): 173146764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 49, 54, 62, 63, 81, 84, 93, 98, 108, 124, 126, 147, 162, 163, 186, 189, 196, 217, 252, 279, 294, 324, 326, 372, 378, 434, 441, 489, 558, 567, 588, 651, 652, 756, 837, 868, 882, 978, 1116, 1134, 1141, 1302, 1323, 1467, 1519, 1674, 1764, 1953, 1956, 2268, 2282, 2511, 2604, 2646, 2934, 3038, 3348, 3423, 3906, 3969, 4401, 4557, 4564, 5022, 5053, 5292, 5859, 5868, 6076, 6846, 7812, 7938, 7987, 8802, 9114, 10044, 10106, 10269, 11718, 13203, 13671, 13692, 15159, 15876, 15974, 17577, 17604, 18228, 20212, 20538, 23436, 23961, 26406, 27342, 30318, 30807, 31948, 35154, 35371, 41013, 41076, 45477, 47922, 52812, 54684, 60636, 61614, 70308, 70742, 71883, 82026, 90954, 92421, 95844, 106113, 123039, 123228, 136431, 141484, 143766, 164052, 181908, 184842, 212226, 215649, 246078, 247597, 272862, 287532, 318339, 369684, 409293, 424452, 431298, 492156, 495194, 545724, 636678, 646947, 742791, 818586, 862596, 955017, 990388, 1273356, 1293894, 1485582, 1637172, 1910034, 2228373, 2587788, 2865051, 2971164, 3820068, 4456746, 5730102, 6685119, 8913492, 11460204, 13370238, 20055357, 26740476, 40110714, 80221428]

約数ペア:

[(1, 80221428), (2, 40110714), (3, 26740476), (4, 20055357), (6, 13370238), (7, 11460204), (9, 8913492), (12, 6685119), (14, 5730102), (18, 4456746), (21, 3820068), (27, 2971164), (28, 2865051), (31, 2587788), (36, 2228373), (42, 1910034), (49, 1637172), (54, 1485582), (62, 1293894), (63, 1273356), (81, 990388), (84, 955017), (93, 862596), (98, 818586), (108, 742791), (124, 646947), (126, 636678), (147, 545724), (162, 495194), (163, 492156), (186, 431298), (189, 424452), (196, 409293), (217, 369684), (252, 318339), (279, 287532), (294, 272862), (324, 247597), (326, 246078), (372, 215649), (378, 212226), (434, 184842), (441, 181908), (489, 164052), (558, 143766), (567, 141484), (588, 136431), (651, 123228), (652, 123039), (756, 106113), (837, 95844), (868, 92421), (882, 90954), (978, 82026), (1116, 71883), (1134, 70742), (1141, 70308), (1302, 61614), (1323, 60636), (1467, 54684), (1519, 52812), (1674, 47922), (1764, 45477), (1953, 41076), (1956, 41013), (2268, 35371), (2282, 35154), (2511, 31948), (2604, 30807), (2646, 30318), (2934, 27342), (3038, 26406), (3348, 23961), (3423, 23436), (3906, 20538), (3969, 20212), (4401, 18228), (4557, 17604), (4564, 17577), (5022, 15974), (5053, 15876), (5292, 15159), (5859, 13692), (5868, 13671), (6076, 13203), (6846, 11718), (7812, 10269), (7938, 10106), (7987, 10044), (8802, 9114)]