1281273420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{132637}}^1$

素因数の和:132679

約数の個数: 96

約数和(自身を含む): 4278371328

約数和(自身を除く): 2997097908

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2415, 3220, 4830, 9660, 132637, 265274, 397911, 530548, 663185, 795822, 928459, 1326370, 1591644, 1856918, 1989555, 2652740, 2785377, 3050651, 3713836, 3979110, 4642295, 5570754, 6101302, 7958220, 9151953, 9284590, 11141508, 12202604, 13926885, 15253255, 18303906, 18569180, 21354557, 27853770, 30506510, 36607812, 42709114, 45759765, 55707540, 61013020, 64063671, 85418228, 91519530, 106772785, 128127342, 183039060, 213545570, 256254684, 320318355, 427091140, 640636710, 1281273420]

約数ペア:

[(1, 1281273420), (2, 640636710), (3, 427091140), (4, 320318355), (5, 256254684), (6, 213545570), (7, 183039060), (10, 128127342), (12, 106772785), (14, 91519530), (15, 85418228), (20, 64063671), (21, 61013020), (23, 55707540), (28, 45759765), (30, 42709114), (35, 36607812), (42, 30506510), (46, 27853770), (60, 21354557), (69, 18569180), (70, 18303906), (84, 15253255), (92, 13926885), (105, 12202604), (115, 11141508), (138, 9284590), (140, 9151953), (161, 7958220), (210, 6101302), (230, 5570754), (276, 4642295), (322, 3979110), (345, 3713836), (420, 3050651), (460, 2785377), (483, 2652740), (644, 1989555), (690, 1856918), (805, 1591644), (966, 1326370), (1380, 928459), (1610, 795822), (1932, 663185), (2415, 530548), (3220, 397911), (4830, 265274), (9660, 132637)]