67180520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2503}}^1$

素因数の和:2586

約数の個数: 64

約数和(自身を含む): 167667840

約数和(自身を除く): 100487320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 2440, 2503, 2684, 3355, 5006, 5368, 6710, 10012, 12515, 13420, 20024, 25030, 26840, 27533, 50060, 55066, 100120, 110132, 137665, 152683, 220264, 275330, 305366, 550660, 610732, 763415, 1101320, 1221464, 1526830, 1679513, 3053660, 3359026, 6107320, 6718052, 8397565, 13436104, 16795130, 33590260, 67180520]

約数ペア:

[(1, 67180520), (2, 33590260), (4, 16795130), (5, 13436104), (8, 8397565), (10, 6718052), (11, 6107320), (20, 3359026), (22, 3053660), (40, 1679513), (44, 1526830), (55, 1221464), (61, 1101320), (88, 763415), (110, 610732), (122, 550660), (220, 305366), (244, 275330), (305, 220264), (440, 152683), (488, 137665), (610, 110132), (671, 100120), (1220, 55066), (1342, 50060), (2440, 27533), (2503, 26840), (2684, 25030), (3355, 20024), (5006, 13420), (5368, 12515), (6710, 10012)]