77609720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1279}}^1$

素因数の和:1368

約数の個数: 64

約数和(自身を含む): 183859200

約数和(自身を除く): 106249480

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 41, 74, 82, 148, 164, 185, 205, 296, 328, 370, 410, 740, 820, 1279, 1480, 1517, 1640, 2558, 3034, 5116, 6068, 6395, 7585, 10232, 12136, 12790, 15170, 25580, 30340, 47323, 51160, 52439, 60680, 94646, 104878, 189292, 209756, 236615, 262195, 378584, 419512, 473230, 524390, 946460, 1048780, 1892920, 1940243, 2097560, 3880486, 7760972, 9701215, 15521944, 19402430, 38804860, 77609720]

約数ペア:

[(1, 77609720), (2, 38804860), (4, 19402430), (5, 15521944), (8, 9701215), (10, 7760972), (20, 3880486), (37, 2097560), (40, 1940243), (41, 1892920), (74, 1048780), (82, 946460), (148, 524390), (164, 473230), (185, 419512), (205, 378584), (296, 262195), (328, 236615), (370, 209756), (410, 189292), (740, 104878), (820, 94646), (1279, 60680), (1480, 52439), (1517, 51160), (1640, 47323), (2558, 30340), (3034, 25580), (5116, 15170), (6068, 12790), (6395, 12136), (7585, 10232)]