28514640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1543}}^1$

素因数の和:1577

約数の個数: 160

約数和(自身を含む): 110278656

約数和(自身を除く): 81764016

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 105, 110, 112, 120, 132, 140, 154, 165, 168, 176, 210, 220, 231, 240, 264, 280, 308, 330, 336, 385, 420, 440, 462, 528, 560, 616, 660, 770, 840, 880, 924, 1155, 1232, 1320, 1540, 1543, 1680, 1848, 2310, 2640, 3080, 3086, 3696, 4620, 4629, 6160, 6172, 7715, 9240, 9258, 10801, 12344, 15430, 16973, 18480, 18516, 21602, 23145, 24688, 30860, 32403, 33946, 37032, 43204, 46290, 50919, 54005, 61720, 64806, 67892, 74064, 84865, 86408, 92580, 101838, 108010, 118811, 123440, 129612, 135784, 162015, 169730, 172816, 185160, 203676, 216020, 237622, 254595, 259224, 271568, 324030, 339460, 356433, 370320, 407352, 432040, 475244, 509190, 518448, 594055, 648060, 678920, 712866, 814704, 864080, 950488, 1018380, 1188110, 1296120, 1357840, 1425732, 1782165, 1900976, 2036760, 2376220, 2592240, 2851464, 3564330, 4073520, 4752440, 5702928, 7128660, 9504880, 14257320, 28514640]

約数ペア:

[(1, 28514640), (2, 14257320), (3, 9504880), (4, 7128660), (5, 5702928), (6, 4752440), (7, 4073520), (8, 3564330), (10, 2851464), (11, 2592240), (12, 2376220), (14, 2036760), (15, 1900976), (16, 1782165), (20, 1425732), (21, 1357840), (22, 1296120), (24, 1188110), (28, 1018380), (30, 950488), (33, 864080), (35, 814704), (40, 712866), (42, 678920), (44, 648060), (48, 594055), (55, 518448), (56, 509190), (60, 475244), (66, 432040), (70, 407352), (77, 370320), (80, 356433), (84, 339460), (88, 324030), (105, 271568), (110, 259224), (112, 254595), (120, 237622), (132, 216020), (140, 203676), (154, 185160), (165, 172816), (168, 169730), (176, 162015), (210, 135784), (220, 129612), (231, 123440), (240, 118811), (264, 108010), (280, 101838), (308, 92580), (330, 86408), (336, 84865), (385, 74064), (420, 67892), (440, 64806), (462, 61720), (528, 54005), (560, 50919), (616, 46290), (660, 43204), (770, 37032), (840, 33946), (880, 32403), (924, 30860), (1155, 24688), (1232, 23145), (1320, 21602), (1540, 18516), (1543, 18480), (1680, 16973), (1848, 15430), (2310, 12344), (2640, 10801), (3080, 9258), (3086, 9240), (3696, 7715), (4620, 6172), (4629, 6160)]