646073680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{487}}^1$

素因数の和:633

約数の個数: 160

約数和(自身を含む): 1812455424

約数和(自身を除く): 1166381744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 103, 112, 115, 140, 161, 184, 206, 230, 280, 322, 368, 412, 460, 487, 515, 560, 644, 721, 805, 824, 920, 974, 1030, 1288, 1442, 1610, 1648, 1840, 1948, 2060, 2369, 2435, 2576, 2884, 3220, 3409, 3605, 3896, 4120, 4738, 4870, 5768, 6440, 6818, 7210, 7792, 8240, 9476, 9740, 11201, 11536, 11845, 12880, 13636, 14420, 16583, 17045, 18952, 19480, 22402, 23690, 27272, 28840, 33166, 34090, 37904, 38960, 44804, 47380, 50161, 54544, 56005, 57680, 66332, 68180, 78407, 82915, 89608, 94760, 100322, 112010, 132664, 136360, 156814, 165830, 179216, 189520, 200644, 224020, 250805, 265328, 272720, 313628, 331660, 351127, 392035, 401288, 448040, 501610, 627256, 663320, 702254, 784070, 802576, 896080, 1003220, 1153703, 1254512, 1326640, 1404508, 1568140, 1755635, 2006440, 2307406, 2809016, 3136280, 3511270, 4012880, 4614812, 5618032, 5768515, 6272560, 7022540, 8075921, 9229624, 11537030, 14045080, 16151842, 18459248, 23074060, 28090160, 32303684, 40379605, 46148120, 64607368, 80759210, 92296240, 129214736, 161518420, 323036840, 646073680]

約数ペア:

[(1, 646073680), (2, 323036840), (4, 161518420), (5, 129214736), (7, 92296240), (8, 80759210), (10, 64607368), (14, 46148120), (16, 40379605), (20, 32303684), (23, 28090160), (28, 23074060), (35, 18459248), (40, 16151842), (46, 14045080), (56, 11537030), (70, 9229624), (80, 8075921), (92, 7022540), (103, 6272560), (112, 5768515), (115, 5618032), (140, 4614812), (161, 4012880), (184, 3511270), (206, 3136280), (230, 2809016), (280, 2307406), (322, 2006440), (368, 1755635), (412, 1568140), (460, 1404508), (487, 1326640), (515, 1254512), (560, 1153703), (644, 1003220), (721, 896080), (805, 802576), (824, 784070), (920, 702254), (974, 663320), (1030, 627256), (1288, 501610), (1442, 448040), (1610, 401288), (1648, 392035), (1840, 351127), (1948, 331660), (2060, 313628), (2369, 272720), (2435, 265328), (2576, 250805), (2884, 224020), (3220, 200644), (3409, 189520), (3605, 179216), (3896, 165830), (4120, 156814), (4738, 136360), (4870, 132664), (5768, 112010), (6440, 100322), (6818, 94760), (7210, 89608), (7792, 82915), (8240, 78407), (9476, 68180), (9740, 66332), (11201, 57680), (11536, 56005), (11845, 54544), (12880, 50161), (13636, 47380), (14420, 44804), (16583, 38960), (17045, 37904), (18952, 34090), (19480, 33166), (22402, 28840), (23690, 27272)]