31714240

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:210

約数の個数: 112

約数和(自身を含む): 81930240

約数和(自身を除く): 50216000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 92, 115, 124, 139, 155, 160, 184, 230, 248, 278, 310, 320, 368, 460, 496, 556, 620, 695, 713, 736, 920, 992, 1112, 1240, 1390, 1426, 1472, 1840, 1984, 2224, 2480, 2780, 2852, 3197, 3565, 3680, 4309, 4448, 4960, 5560, 5704, 6394, 7130, 7360, 8618, 8896, 9920, 11120, 11408, 12788, 14260, 15985, 17236, 21545, 22240, 22816, 25576, 28520, 31970, 34472, 43090, 44480, 45632, 51152, 57040, 63940, 68944, 86180, 99107, 102304, 114080, 127880, 137888, 172360, 198214, 204608, 228160, 255760, 275776, 344720, 396428, 495535, 511520, 689440, 792856, 991070, 1023040, 1378880, 1585712, 1982140, 3171424, 3964280, 6342848, 7928560, 15857120, 31714240]

約数ペア:

[(1, 31714240), (2, 15857120), (4, 7928560), (5, 6342848), (8, 3964280), (10, 3171424), (16, 1982140), (20, 1585712), (23, 1378880), (31, 1023040), (32, 991070), (40, 792856), (46, 689440), (62, 511520), (64, 495535), (80, 396428), (92, 344720), (115, 275776), (124, 255760), (139, 228160), (155, 204608), (160, 198214), (184, 172360), (230, 137888), (248, 127880), (278, 114080), (310, 102304), (320, 99107), (368, 86180), (460, 68944), (496, 63940), (556, 57040), (620, 51152), (695, 45632), (713, 44480), (736, 43090), (920, 34472), (992, 31970), (1112, 28520), (1240, 25576), (1390, 22816), (1426, 22240), (1472, 21545), (1840, 17236), (1984, 15985), (2224, 14260), (2480, 12788), (2780, 11408), (2852, 11120), (3197, 9920), (3565, 8896), (3680, 8618), (4309, 7360), (4448, 7130), (4960, 6394), (5560, 5704)]