28512870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:138

約数の個数: 96

約数和(自身を含む): 75499776

約数和(自身を除く): 46986906

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 31, 43, 46, 62, 69, 86, 93, 115, 129, 138, 155, 186, 215, 230, 258, 310, 345, 430, 465, 645, 690, 713, 930, 961, 989, 1290, 1333, 1426, 1922, 1978, 2139, 2666, 2883, 2967, 3565, 3999, 4278, 4805, 4945, 5766, 5934, 6665, 7130, 7998, 9610, 9890, 10695, 13330, 14415, 14835, 19995, 21390, 22103, 28830, 29670, 30659, 39990, 41323, 44206, 61318, 66309, 82646, 91977, 110515, 123969, 132618, 153295, 183954, 206615, 221030, 247938, 306590, 331545, 413230, 459885, 619845, 663090, 919770, 950429, 1239690, 1900858, 2851287, 4752145, 5702574, 9504290, 14256435, 28512870]

約数ペア:

[(1, 28512870), (2, 14256435), (3, 9504290), (5, 5702574), (6, 4752145), (10, 2851287), (15, 1900858), (23, 1239690), (30, 950429), (31, 919770), (43, 663090), (46, 619845), (62, 459885), (69, 413230), (86, 331545), (93, 306590), (115, 247938), (129, 221030), (138, 206615), (155, 183954), (186, 153295), (215, 132618), (230, 123969), (258, 110515), (310, 91977), (345, 82646), (430, 66309), (465, 61318), (645, 44206), (690, 41323), (713, 39990), (930, 30659), (961, 29670), (989, 28830), (1290, 22103), (1333, 21390), (1426, 19995), (1922, 14835), (1978, 14415), (2139, 13330), (2666, 10695), (2883, 9890), (2967, 9610), (3565, 7998), (3999, 7130), (4278, 6665), (4805, 5934), (4945, 5766)]