82718020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:314

約数の個数: 144

約数和(自身を含む): 230590080

約数和(自身を除く): 147872060

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 110, 121, 133, 140, 154, 190, 209, 220, 242, 257, 266, 308, 380, 385, 418, 484, 514, 532, 605, 665, 770, 836, 847, 1028, 1045, 1210, 1285, 1330, 1463, 1540, 1694, 1799, 2090, 2299, 2420, 2570, 2660, 2827, 2926, 3388, 3598, 4180, 4235, 4598, 4883, 5140, 5654, 5852, 7196, 7315, 8470, 8995, 9196, 9766, 11308, 11495, 14135, 14630, 16093, 16940, 17990, 19532, 19789, 22990, 24415, 28270, 29260, 31097, 32186, 34181, 35980, 39578, 45980, 48830, 53713, 56540, 62194, 64372, 68362, 79156, 80465, 97660, 98945, 107426, 124388, 136724, 155485, 160930, 170905, 197890, 214852, 217679, 268565, 310970, 321860, 341810, 375991, 395780, 435358, 537130, 590843, 621940, 683620, 751982, 870716, 1074260, 1088395, 1181686, 1503964, 1879955, 2176790, 2363372, 2954215, 3759910, 4135901, 4353580, 5908430, 7519820, 8271802, 11816860, 16543604, 20679505, 41359010, 82718020]

約数ペア:

[(1, 82718020), (2, 41359010), (4, 20679505), (5, 16543604), (7, 11816860), (10, 8271802), (11, 7519820), (14, 5908430), (19, 4353580), (20, 4135901), (22, 3759910), (28, 2954215), (35, 2363372), (38, 2176790), (44, 1879955), (55, 1503964), (70, 1181686), (76, 1088395), (77, 1074260), (95, 870716), (110, 751982), (121, 683620), (133, 621940), (140, 590843), (154, 537130), (190, 435358), (209, 395780), (220, 375991), (242, 341810), (257, 321860), (266, 310970), (308, 268565), (380, 217679), (385, 214852), (418, 197890), (484, 170905), (514, 160930), (532, 155485), (605, 136724), (665, 124388), (770, 107426), (836, 98945), (847, 97660), (1028, 80465), (1045, 79156), (1210, 68362), (1285, 64372), (1330, 62194), (1463, 56540), (1540, 53713), (1694, 48830), (1799, 45980), (2090, 39578), (2299, 35980), (2420, 34181), (2570, 32186), (2660, 31097), (2827, 29260), (2926, 28270), (3388, 24415), (3598, 22990), (4180, 19789), (4235, 19532), (4598, 17990), (4883, 16940), (5140, 16093), (5654, 14630), (5852, 14135), (7196, 11495), (7315, 11308), (8470, 9766), (8995, 9196)]