131185260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1072

約数の個数: 144

約数和(自身を含む): 431567136

約数和(自身を除く): 300381876

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 43, 45, 51, 60, 68, 85, 86, 90, 102, 129, 153, 170, 172, 180, 204, 215, 255, 258, 306, 340, 387, 430, 510, 516, 612, 645, 731, 765, 774, 860, 997, 1020, 1290, 1462, 1530, 1548, 1935, 1994, 2193, 2580, 2924, 2991, 3060, 3655, 3870, 3988, 4386, 4985, 5982, 6579, 7310, 7740, 8772, 8973, 9970, 10965, 11964, 13158, 14620, 14955, 16949, 17946, 19940, 21930, 26316, 29910, 32895, 33898, 35892, 42871, 43860, 44865, 50847, 59820, 65790, 67796, 84745, 85742, 89730, 101694, 128613, 131580, 152541, 169490, 171484, 179460, 203388, 214355, 254235, 257226, 305082, 338980, 385839, 428710, 508470, 514452, 610164, 643065, 728807, 762705, 771678, 857420, 1016940, 1286130, 1457614, 1525410, 1543356, 1929195, 2186421, 2572260, 2915228, 3050820, 3644035, 3858390, 4372842, 6559263, 7288070, 7716780, 8745684, 10932105, 13118526, 14576140, 21864210, 26237052, 32796315, 43728420, 65592630, 131185260]

約数ペア:

[(1, 131185260), (2, 65592630), (3, 43728420), (4, 32796315), (5, 26237052), (6, 21864210), (9, 14576140), (10, 13118526), (12, 10932105), (15, 8745684), (17, 7716780), (18, 7288070), (20, 6559263), (30, 4372842), (34, 3858390), (36, 3644035), (43, 3050820), (45, 2915228), (51, 2572260), (60, 2186421), (68, 1929195), (85, 1543356), (86, 1525410), (90, 1457614), (102, 1286130), (129, 1016940), (153, 857420), (170, 771678), (172, 762705), (180, 728807), (204, 643065), (215, 610164), (255, 514452), (258, 508470), (306, 428710), (340, 385839), (387, 338980), (430, 305082), (510, 257226), (516, 254235), (612, 214355), (645, 203388), (731, 179460), (765, 171484), (774, 169490), (860, 152541), (997, 131580), (1020, 128613), (1290, 101694), (1462, 89730), (1530, 85742), (1548, 84745), (1935, 67796), (1994, 65790), (2193, 59820), (2580, 50847), (2924, 44865), (2991, 43860), (3060, 42871), (3655, 35892), (3870, 33898), (3988, 32895), (4386, 29910), (4985, 26316), (5982, 21930), (6579, 19940), (7310, 17946), (7740, 16949), (8772, 14955), (8973, 14620), (9970, 13158), (10965, 11964)]