28189260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1$

素因数の和:668

約数の個数: 144

約数和(自身を含む): 97493760

約数和(自身を除く): 69304500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 30, 33, 36, 44, 45, 46, 55, 60, 66, 69, 90, 92, 99, 110, 115, 132, 138, 165, 180, 198, 207, 220, 230, 253, 276, 330, 345, 396, 414, 460, 495, 506, 619, 660, 690, 759, 828, 990, 1012, 1035, 1238, 1265, 1380, 1518, 1857, 1980, 2070, 2277, 2476, 2530, 3036, 3095, 3714, 3795, 4140, 4554, 5060, 5571, 6190, 6809, 7428, 7590, 9108, 9285, 11142, 11385, 12380, 13618, 14237, 15180, 18570, 20427, 22284, 22770, 27236, 27855, 28474, 34045, 37140, 40854, 42711, 45540, 55710, 56948, 61281, 68090, 71185, 81708, 85422, 102135, 111420, 122562, 128133, 136180, 142370, 156607, 170844, 204270, 213555, 245124, 256266, 284740, 306405, 313214, 408540, 427110, 469821, 512532, 612810, 626428, 640665, 783035, 854220, 939642, 1225620, 1281330, 1409463, 1566070, 1879284, 2349105, 2562660, 2818926, 3132140, 4698210, 5637852, 7047315, 9396420, 14094630, 28189260]

約数ペア:

[(1, 28189260), (2, 14094630), (3, 9396420), (4, 7047315), (5, 5637852), (6, 4698210), (9, 3132140), (10, 2818926), (11, 2562660), (12, 2349105), (15, 1879284), (18, 1566070), (20, 1409463), (22, 1281330), (23, 1225620), (30, 939642), (33, 854220), (36, 783035), (44, 640665), (45, 626428), (46, 612810), (55, 512532), (60, 469821), (66, 427110), (69, 408540), (90, 313214), (92, 306405), (99, 284740), (110, 256266), (115, 245124), (132, 213555), (138, 204270), (165, 170844), (180, 156607), (198, 142370), (207, 136180), (220, 128133), (230, 122562), (253, 111420), (276, 102135), (330, 85422), (345, 81708), (396, 71185), (414, 68090), (460, 61281), (495, 56948), (506, 55710), (619, 45540), (660, 42711), (690, 40854), (759, 37140), (828, 34045), (990, 28474), (1012, 27855), (1035, 27236), (1238, 22770), (1265, 22284), (1380, 20427), (1518, 18570), (1857, 15180), (1980, 14237), (2070, 13618), (2277, 12380), (2476, 11385), (2530, 11142), (3036, 9285), (3095, 9108), (3714, 7590), (3795, 7428), (4140, 6809), (4554, 6190), (5060, 5571)]