1277856960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2711}}^1$

素因数の和:3222

約数の個数: 112

約数和(自身を含む): 4066958592

約数和(自身を除く): 2789101632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 491, 960, 982, 1473, 1964, 2455, 2711, 2946, 3928, 4910, 5422, 5892, 7365, 7856, 8133, 9820, 10844, 11784, 13555, 14730, 15712, 16266, 19640, 21688, 23568, 27110, 29460, 31424, 32532, 39280, 40665, 43376, 47136, 54220, 58920, 65064, 78560, 81330, 86752, 94272, 108440, 117840, 130128, 157120, 162660, 173504, 216880, 235680, 260256, 325320, 433760, 471360, 520512, 650640, 867520, 1301280, 1331101, 2602560, 2662202, 3993303, 5324404, 6655505, 7986606, 10648808, 13311010, 15973212, 19966515, 21297616, 26622020, 31946424, 39933030, 42595232, 53244040, 63892848, 79866060, 85190464, 106488080, 127785696, 159732120, 212976160, 255571392, 319464240, 425952320, 638928480, 1277856960]

約数ペア:

[(1, 1277856960), (2, 638928480), (3, 425952320), (4, 319464240), (5, 255571392), (6, 212976160), (8, 159732120), (10, 127785696), (12, 106488080), (15, 85190464), (16, 79866060), (20, 63892848), (24, 53244040), (30, 42595232), (32, 39933030), (40, 31946424), (48, 26622020), (60, 21297616), (64, 19966515), (80, 15973212), (96, 13311010), (120, 10648808), (160, 7986606), (192, 6655505), (240, 5324404), (320, 3993303), (480, 2662202), (491, 2602560), (960, 1331101), (982, 1301280), (1473, 867520), (1964, 650640), (2455, 520512), (2711, 471360), (2946, 433760), (3928, 325320), (4910, 260256), (5422, 235680), (5892, 216880), (7365, 173504), (7856, 162660), (8133, 157120), (9820, 130128), (10844, 117840), (11784, 108440), (13555, 94272), (14730, 86752), (15712, 81330), (16266, 78560), (19640, 65064), (21688, 58920), (23568, 54220), (27110, 47136), (29460, 43376), (31424, 40665), (32532, 39280)]