163260440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:393

約数の個数: 128

約数和(自身を含む): 444165120

約数和(自身を除く): 280904680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 101, 115, 140, 161, 184, 202, 230, 251, 280, 322, 404, 460, 502, 505, 644, 707, 805, 808, 920, 1004, 1010, 1255, 1288, 1414, 1610, 1757, 2008, 2020, 2323, 2510, 2828, 3220, 3514, 3535, 4040, 4646, 5020, 5656, 5773, 6440, 7028, 7070, 8785, 9292, 10040, 11546, 11615, 14056, 14140, 16261, 17570, 18584, 23092, 23230, 25351, 28280, 28865, 32522, 35140, 40411, 46184, 46460, 50702, 57730, 65044, 70280, 80822, 81305, 92920, 101404, 115460, 126755, 130088, 161644, 162610, 177457, 202055, 202808, 230920, 253510, 323288, 325220, 354914, 404110, 507020, 583073, 650440, 709828, 808220, 887285, 1014040, 1166146, 1419656, 1616440, 1774570, 2332292, 2915365, 3549140, 4081511, 4664584, 5830730, 7098280, 8163022, 11661460, 16326044, 20407555, 23322920, 32652088, 40815110, 81630220, 163260440]

約数ペア:

[(1, 163260440), (2, 81630220), (4, 40815110), (5, 32652088), (7, 23322920), (8, 20407555), (10, 16326044), (14, 11661460), (20, 8163022), (23, 7098280), (28, 5830730), (35, 4664584), (40, 4081511), (46, 3549140), (56, 2915365), (70, 2332292), (92, 1774570), (101, 1616440), (115, 1419656), (140, 1166146), (161, 1014040), (184, 887285), (202, 808220), (230, 709828), (251, 650440), (280, 583073), (322, 507020), (404, 404110), (460, 354914), (502, 325220), (505, 323288), (644, 253510), (707, 230920), (805, 202808), (808, 202055), (920, 177457), (1004, 162610), (1010, 161644), (1255, 130088), (1288, 126755), (1414, 115460), (1610, 101404), (1757, 92920), (2008, 81305), (2020, 80822), (2323, 70280), (2510, 65044), (2828, 57730), (3220, 50702), (3514, 46460), (3535, 46184), (4040, 40411), (4646, 35140), (5020, 32522), (5656, 28865), (5773, 28280), (6440, 25351), (7028, 23230), (7070, 23092), (8785, 18584), (9292, 17570), (10040, 16261), (11546, 14140), (11615, 14056)]