28033320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1451}}^1$

素因数の和:1495

約数の個数: 128

約数和(自身を含む): 100362240

約数和(自身を除く): 72328920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1451, 1610, 1932, 2415, 2760, 2902, 3220, 3864, 4353, 4830, 5804, 6440, 7255, 8706, 9660, 10157, 11608, 14510, 17412, 19320, 20314, 21765, 29020, 30471, 33373, 34824, 40628, 43530, 50785, 58040, 60942, 66746, 81256, 87060, 100119, 101570, 121884, 133492, 152355, 166865, 174120, 200238, 203140, 233611, 243768, 266984, 304710, 333730, 400476, 406280, 467222, 500595, 609420, 667460, 700833, 800952, 934444, 1001190, 1168055, 1218840, 1334920, 1401666, 1868888, 2002380, 2336110, 2803332, 3504165, 4004760, 4672220, 5606664, 7008330, 9344440, 14016660, 28033320]

約数ペア:

[(1, 28033320), (2, 14016660), (3, 9344440), (4, 7008330), (5, 5606664), (6, 4672220), (7, 4004760), (8, 3504165), (10, 2803332), (12, 2336110), (14, 2002380), (15, 1868888), (20, 1401666), (21, 1334920), (23, 1218840), (24, 1168055), (28, 1001190), (30, 934444), (35, 800952), (40, 700833), (42, 667460), (46, 609420), (56, 500595), (60, 467222), (69, 406280), (70, 400476), (84, 333730), (92, 304710), (105, 266984), (115, 243768), (120, 233611), (138, 203140), (140, 200238), (161, 174120), (168, 166865), (184, 152355), (210, 133492), (230, 121884), (276, 101570), (280, 100119), (322, 87060), (345, 81256), (420, 66746), (460, 60942), (483, 58040), (552, 50785), (644, 43530), (690, 40628), (805, 34824), (840, 33373), (920, 30471), (966, 29020), (1288, 21765), (1380, 20314), (1451, 19320), (1610, 17412), (1932, 14510), (2415, 11608), (2760, 10157), (2902, 9660), (3220, 8706), (3864, 7255), (4353, 6440), (4830, 5804)]