64238020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 175815360

約数和(自身を除く): 111577340

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 59, 70, 77, 98, 101, 110, 118, 140, 154, 196, 202, 220, 236, 245, 295, 308, 385, 404, 413, 490, 505, 539, 590, 649, 707, 770, 826, 980, 1010, 1078, 1111, 1180, 1298, 1414, 1540, 1652, 2020, 2065, 2156, 2222, 2596, 2695, 2828, 2891, 3245, 3535, 4130, 4444, 4543, 4949, 5390, 5555, 5782, 5959, 6490, 7070, 7777, 8260, 9086, 9898, 10780, 11110, 11564, 11918, 12980, 14140, 14455, 15554, 18172, 19796, 22220, 22715, 23836, 24745, 28910, 29795, 31108, 31801, 38885, 41713, 45430, 49490, 54439, 57820, 59590, 63602, 65549, 77770, 83426, 90860, 98980, 108878, 119180, 127204, 131098, 155540, 159005, 166852, 208565, 217756, 262196, 272195, 291991, 318010, 327745, 417130, 458843, 544390, 583982, 636020, 655490, 834260, 917686, 1088780, 1167964, 1310980, 1459955, 1835372, 2294215, 2919910, 3211901, 4588430, 5839820, 6423802, 9176860, 12847604, 16059505, 32119010, 64238020]

約数ペア:

[(1, 64238020), (2, 32119010), (4, 16059505), (5, 12847604), (7, 9176860), (10, 6423802), (11, 5839820), (14, 4588430), (20, 3211901), (22, 2919910), (28, 2294215), (35, 1835372), (44, 1459955), (49, 1310980), (55, 1167964), (59, 1088780), (70, 917686), (77, 834260), (98, 655490), (101, 636020), (110, 583982), (118, 544390), (140, 458843), (154, 417130), (196, 327745), (202, 318010), (220, 291991), (236, 272195), (245, 262196), (295, 217756), (308, 208565), (385, 166852), (404, 159005), (413, 155540), (490, 131098), (505, 127204), (539, 119180), (590, 108878), (649, 98980), (707, 90860), (770, 83426), (826, 77770), (980, 65549), (1010, 63602), (1078, 59590), (1111, 57820), (1180, 54439), (1298, 49490), (1414, 45430), (1540, 41713), (1652, 38885), (2020, 31801), (2065, 31108), (2156, 29795), (2222, 28910), (2596, 24745), (2695, 23836), (2828, 22715), (2891, 22220), (3245, 19796), (3535, 18172), (4130, 15554), (4444, 14455), (4543, 14140), (4949, 12980), (5390, 11918), (5555, 11564), (5782, 11110), (5959, 10780), (6490, 9898), (7070, 9086), (7777, 8260)]