28720752

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{577}}^1$

素因数の和:666

約数の個数: 80

約数和(自身を含む): 79985952

約数和(自身を除く): 51265200

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 61, 68, 102, 122, 136, 183, 204, 244, 272, 366, 408, 488, 577, 732, 816, 976, 1037, 1154, 1464, 1731, 2074, 2308, 2928, 3111, 3462, 4148, 4616, 6222, 6924, 8296, 9232, 9809, 12444, 13848, 16592, 19618, 24888, 27696, 29427, 35197, 39236, 49776, 58854, 70394, 78472, 105591, 117708, 140788, 156944, 211182, 235416, 281576, 422364, 470832, 563152, 598349, 844728, 1196698, 1689456, 1795047, 2393396, 3590094, 4786792, 7180188, 9573584, 14360376, 28720752]

約数ペア:

[(1, 28720752), (2, 14360376), (3, 9573584), (4, 7180188), (6, 4786792), (8, 3590094), (12, 2393396), (16, 1795047), (17, 1689456), (24, 1196698), (34, 844728), (48, 598349), (51, 563152), (61, 470832), (68, 422364), (102, 281576), (122, 235416), (136, 211182), (183, 156944), (204, 140788), (244, 117708), (272, 105591), (366, 78472), (408, 70394), (488, 58854), (577, 49776), (732, 39236), (816, 35197), (976, 29427), (1037, 27696), (1154, 24888), (1464, 19618), (1731, 16592), (2074, 13848), (2308, 12444), (2928, 9809), (3111, 9232), (3462, 8296), (4148, 6924), (4616, 6222)]