77520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:52

約数の個数: 80

約数和(自身を含む): 267840

約数和(自身を除く): 190320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 34, 38, 40, 48, 51, 57, 60, 68, 76, 80, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 240, 255, 272, 285, 304, 323, 340, 380, 408, 456, 510, 570, 646, 680, 760, 816, 912, 969, 1020, 1140, 1292, 1360, 1520, 1615, 1938, 2040, 2280, 2584, 3230, 3876, 4080, 4560, 4845, 5168, 6460, 7752, 9690, 12920, 15504, 19380, 25840, 38760, 77520]

約数ペア:

[(1, 77520), (2, 38760), (3, 25840), (4, 19380), (5, 15504), (6, 12920), (8, 9690), (10, 7752), (12, 6460), (15, 5168), (16, 4845), (17, 4560), (19, 4080), (20, 3876), (24, 3230), (30, 2584), (34, 2280), (38, 2040), (40, 1938), (48, 1615), (51, 1520), (57, 1360), (60, 1292), (68, 1140), (76, 1020), (80, 969), (85, 912), (95, 816), (102, 760), (114, 680), (120, 646), (136, 570), (152, 510), (170, 456), (190, 408), (204, 380), (228, 340), (240, 323), (255, 304), (272, 285)]