28720008

素因数分解:

$2^3\times 3^4\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:129

約数の個数: 160

約数和(自身を含む): 87816960

約数和(自身を除く): 59096952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 41, 46, 47, 54, 69, 72, 81, 82, 92, 94, 108, 123, 138, 141, 162, 164, 184, 188, 207, 216, 246, 276, 282, 324, 328, 369, 376, 414, 423, 492, 552, 564, 621, 648, 738, 828, 846, 943, 984, 1081, 1107, 1128, 1242, 1269, 1476, 1656, 1692, 1863, 1886, 1927, 2162, 2214, 2484, 2538, 2829, 2952, 3243, 3321, 3384, 3726, 3772, 3807, 3854, 4324, 4428, 4968, 5076, 5658, 5781, 6486, 6642, 7452, 7544, 7614, 7708, 8487, 8648, 8856, 9729, 10152, 11316, 11562, 12972, 13284, 14904, 15228, 15416, 16974, 17343, 19458, 22632, 23124, 25461, 25944, 26568, 29187, 30456, 33948, 34686, 38916, 44321, 46248, 50922, 52029, 58374, 67896, 69372, 76383, 77832, 87561, 88642, 101844, 104058, 116748, 132963, 138744, 152766, 156087, 175122, 177284, 203688, 208116, 233496, 265926, 305532, 312174, 350244, 354568, 398889, 416232, 531852, 611064, 624348, 700488, 797778, 1063704, 1196667, 1248696, 1595556, 2393334, 3191112, 3590001, 4786668, 7180002, 9573336, 14360004, 28720008]

約数ペア:

[(1, 28720008), (2, 14360004), (3, 9573336), (4, 7180002), (6, 4786668), (8, 3590001), (9, 3191112), (12, 2393334), (18, 1595556), (23, 1248696), (24, 1196667), (27, 1063704), (36, 797778), (41, 700488), (46, 624348), (47, 611064), (54, 531852), (69, 416232), (72, 398889), (81, 354568), (82, 350244), (92, 312174), (94, 305532), (108, 265926), (123, 233496), (138, 208116), (141, 203688), (162, 177284), (164, 175122), (184, 156087), (188, 152766), (207, 138744), (216, 132963), (246, 116748), (276, 104058), (282, 101844), (324, 88642), (328, 87561), (369, 77832), (376, 76383), (414, 69372), (423, 67896), (492, 58374), (552, 52029), (564, 50922), (621, 46248), (648, 44321), (738, 38916), (828, 34686), (846, 33948), (943, 30456), (984, 29187), (1081, 26568), (1107, 25944), (1128, 25461), (1242, 23124), (1269, 22632), (1476, 19458), (1656, 17343), (1692, 16974), (1863, 15416), (1886, 15228), (1927, 14904), (2162, 13284), (2214, 12972), (2484, 11562), (2538, 11316), (2829, 10152), (2952, 9729), (3243, 8856), (3321, 8648), (3384, 8487), (3726, 7708), (3772, 7614), (3807, 7544), (3854, 7452), (4324, 6642), (4428, 6486), (4968, 5781), (5076, 5658)]