231506520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1399}}^1$

素因数の和:1617

約数の個数: 128

約数和(自身を含む): 798336000

約数和(自身を除く): 566829480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 197, 210, 280, 394, 420, 591, 788, 840, 985, 1182, 1379, 1399, 1576, 1970, 2364, 2758, 2798, 2955, 3940, 4137, 4197, 4728, 5516, 5596, 5910, 6895, 6995, 7880, 8274, 8394, 9793, 11032, 11192, 11820, 13790, 13990, 16548, 16788, 19586, 20685, 20985, 23640, 27580, 27980, 29379, 33096, 33576, 39172, 41370, 41970, 48965, 55160, 55960, 58758, 78344, 82740, 83940, 97930, 117516, 146895, 165480, 167880, 195860, 235032, 275603, 293790, 391720, 551206, 587580, 826809, 1102412, 1175160, 1378015, 1653618, 1929221, 2204824, 2756030, 3307236, 3858442, 4134045, 5512060, 5787663, 6614472, 7716884, 8268090, 9646105, 11024120, 11575326, 15433768, 16536180, 19292210, 23150652, 28938315, 33072360, 38584420, 46301304, 57876630, 77168840, 115753260, 231506520]

約数ペア:

[(1, 231506520), (2, 115753260), (3, 77168840), (4, 57876630), (5, 46301304), (6, 38584420), (7, 33072360), (8, 28938315), (10, 23150652), (12, 19292210), (14, 16536180), (15, 15433768), (20, 11575326), (21, 11024120), (24, 9646105), (28, 8268090), (30, 7716884), (35, 6614472), (40, 5787663), (42, 5512060), (56, 4134045), (60, 3858442), (70, 3307236), (84, 2756030), (105, 2204824), (120, 1929221), (140, 1653618), (168, 1378015), (197, 1175160), (210, 1102412), (280, 826809), (394, 587580), (420, 551206), (591, 391720), (788, 293790), (840, 275603), (985, 235032), (1182, 195860), (1379, 167880), (1399, 165480), (1576, 146895), (1970, 117516), (2364, 97930), (2758, 83940), (2798, 82740), (2955, 78344), (3940, 58758), (4137, 55960), (4197, 55160), (4728, 48965), (5516, 41970), (5596, 41370), (5910, 39172), (6895, 33576), (6995, 33096), (7880, 29379), (8274, 27980), (8394, 27580), (9793, 23640), (11032, 20985), (11192, 20685), (11820, 19586), (13790, 16788), (13990, 16548)]