31790760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:219

約数の個数: 128

約数和(自身を含む): 100172160

約数和(自身を除く): 68381400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 61, 86, 101, 120, 122, 129, 172, 183, 202, 215, 244, 258, 303, 305, 344, 366, 404, 430, 488, 505, 516, 606, 610, 645, 732, 808, 860, 915, 1010, 1032, 1212, 1220, 1290, 1464, 1515, 1720, 1830, 2020, 2424, 2440, 2580, 2623, 3030, 3660, 4040, 4343, 5160, 5246, 6060, 6161, 7320, 7869, 8686, 10492, 12120, 12322, 13029, 13115, 15738, 17372, 18483, 20984, 21715, 24644, 26058, 26230, 30805, 31476, 34744, 36966, 39345, 43430, 49288, 52116, 52460, 61610, 62952, 65145, 73932, 78690, 86860, 92415, 104232, 104920, 123220, 130290, 147864, 157380, 173720, 184830, 246440, 260580, 264923, 314760, 369660, 521160, 529846, 739320, 794769, 1059692, 1324615, 1589538, 2119384, 2649230, 3179076, 3973845, 5298460, 6358152, 7947690, 10596920, 15895380, 31790760]

約数ペア:

[(1, 31790760), (2, 15895380), (3, 10596920), (4, 7947690), (5, 6358152), (6, 5298460), (8, 3973845), (10, 3179076), (12, 2649230), (15, 2119384), (20, 1589538), (24, 1324615), (30, 1059692), (40, 794769), (43, 739320), (60, 529846), (61, 521160), (86, 369660), (101, 314760), (120, 264923), (122, 260580), (129, 246440), (172, 184830), (183, 173720), (202, 157380), (215, 147864), (244, 130290), (258, 123220), (303, 104920), (305, 104232), (344, 92415), (366, 86860), (404, 78690), (430, 73932), (488, 65145), (505, 62952), (516, 61610), (606, 52460), (610, 52116), (645, 49288), (732, 43430), (808, 39345), (860, 36966), (915, 34744), (1010, 31476), (1032, 30805), (1212, 26230), (1220, 26058), (1290, 24644), (1464, 21715), (1515, 20984), (1720, 18483), (1830, 17372), (2020, 15738), (2424, 13115), (2440, 13029), (2580, 12322), (2623, 12120), (3030, 10492), (3660, 8686), (4040, 7869), (4343, 7320), (5160, 6161), (5246, 6060)]