15721496980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{25703}}^1$

素因数の和:25993

約数の個数: 96

約数和(自身を含む): 40108110336

約数和(自身を除く): 24386613356

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 257, 340, 476, 514, 595, 1028, 1190, 1285, 1799, 2380, 2570, 3598, 4369, 5140, 7196, 8738, 8995, 17476, 17990, 21845, 25703, 30583, 35980, 43690, 51406, 61166, 87380, 102812, 122332, 128515, 152915, 179921, 257030, 305830, 359842, 436951, 514060, 611660, 719684, 873902, 899605, 1747804, 1799210, 2184755, 3058657, 3598420, 4369510, 6117314, 6605671, 8739020, 12234628, 13211342, 15293285, 26422684, 30586570, 33028355, 46239697, 61173140, 66056710, 92479394, 112296407, 132113420, 184958788, 224592814, 231198485, 449185628, 462396970, 561482035, 786074849, 924793940, 1122964070, 1572149698, 2245928140, 3144299396, 3930374245, 7860748490, 15721496980]

約数ペア:

[(1, 15721496980), (2, 7860748490), (4, 3930374245), (5, 3144299396), (7, 2245928140), (10, 1572149698), (14, 1122964070), (17, 924793940), (20, 786074849), (28, 561482035), (34, 462396970), (35, 449185628), (68, 231198485), (70, 224592814), (85, 184958788), (119, 132113420), (140, 112296407), (170, 92479394), (238, 66056710), (257, 61173140), (340, 46239697), (476, 33028355), (514, 30586570), (595, 26422684), (1028, 15293285), (1190, 13211342), (1285, 12234628), (1799, 8739020), (2380, 6605671), (2570, 6117314), (3598, 4369510), (4369, 3598420), (5140, 3058657), (7196, 2184755), (8738, 1799210), (8995, 1747804), (17476, 899605), (17990, 873902), (21845, 719684), (25703, 611660), (30583, 514060), (35980, 436951), (43690, 359842), (51406, 305830), (61166, 257030), (87380, 179921), (102812, 152915), (122332, 128515)]