428407320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{661}}^1$

素因数の和:1177

約数の個数: 128

約数和(自身を含む): 1407041280

約数和(自身を除く): 978633960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 491, 660, 661, 982, 1320, 1322, 1473, 1964, 1983, 2455, 2644, 2946, 3305, 3928, 3966, 4910, 5288, 5401, 5892, 6610, 7271, 7365, 7932, 9820, 9915, 10802, 11784, 13220, 14542, 14730, 15864, 16203, 19640, 19830, 21604, 21813, 26440, 27005, 29084, 29460, 32406, 36355, 39660, 43208, 43626, 54010, 58168, 58920, 64812, 72710, 79320, 81015, 87252, 108020, 109065, 129624, 145420, 162030, 174504, 216040, 218130, 290840, 324060, 324551, 436260, 648120, 649102, 872520, 973653, 1298204, 1622755, 1947306, 2596408, 3245510, 3570061, 3894612, 4868265, 6491020, 7140122, 7789224, 9736530, 10710183, 12982040, 14280244, 17850305, 19473060, 21420366, 28560488, 35700610, 38946120, 42840732, 53550915, 71401220, 85681464, 107101830, 142802440, 214203660, 428407320]

約数ペア:

[(1, 428407320), (2, 214203660), (3, 142802440), (4, 107101830), (5, 85681464), (6, 71401220), (8, 53550915), (10, 42840732), (11, 38946120), (12, 35700610), (15, 28560488), (20, 21420366), (22, 19473060), (24, 17850305), (30, 14280244), (33, 12982040), (40, 10710183), (44, 9736530), (55, 7789224), (60, 7140122), (66, 6491020), (88, 4868265), (110, 3894612), (120, 3570061), (132, 3245510), (165, 2596408), (220, 1947306), (264, 1622755), (330, 1298204), (440, 973653), (491, 872520), (660, 649102), (661, 648120), (982, 436260), (1320, 324551), (1322, 324060), (1473, 290840), (1964, 218130), (1983, 216040), (2455, 174504), (2644, 162030), (2946, 145420), (3305, 129624), (3928, 109065), (3966, 108020), (4910, 87252), (5288, 81015), (5401, 79320), (5892, 72710), (6610, 64812), (7271, 58920), (7365, 58168), (7932, 54010), (9820, 43626), (9915, 43208), (10802, 39660), (11784, 36355), (13220, 32406), (14542, 29460), (14730, 29084), (15864, 27005), (16203, 26440), (19640, 21813), (19830, 21604)]