12747420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 45147648

約数和(自身を除く): 32400228

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 67, 70, 84, 90, 105, 126, 134, 140, 151, 180, 201, 210, 252, 268, 302, 315, 335, 402, 420, 453, 469, 603, 604, 630, 670, 755, 804, 906, 938, 1005, 1057, 1206, 1260, 1340, 1359, 1407, 1510, 1812, 1876, 2010, 2114, 2265, 2345, 2412, 2718, 2814, 3015, 3020, 3171, 4020, 4221, 4228, 4530, 4690, 5285, 5436, 5628, 6030, 6342, 6795, 7035, 8442, 9060, 9380, 9513, 10117, 10570, 12060, 12684, 13590, 14070, 15855, 16884, 19026, 20234, 21105, 21140, 27180, 28140, 30351, 31710, 38052, 40468, 42210, 47565, 50585, 60702, 63420, 70819, 84420, 91053, 95130, 101170, 121404, 141638, 151755, 182106, 190260, 202340, 212457, 283276, 303510, 354095, 364212, 424914, 455265, 607020, 637371, 708190, 849828, 910530, 1062285, 1274742, 1416380, 1821060, 2124570, 2549484, 3186855, 4249140, 6373710, 12747420]

約数ペア:

[(1, 12747420), (2, 6373710), (3, 4249140), (4, 3186855), (5, 2549484), (6, 2124570), (7, 1821060), (9, 1416380), (10, 1274742), (12, 1062285), (14, 910530), (15, 849828), (18, 708190), (20, 637371), (21, 607020), (28, 455265), (30, 424914), (35, 364212), (36, 354095), (42, 303510), (45, 283276), (60, 212457), (63, 202340), (67, 190260), (70, 182106), (84, 151755), (90, 141638), (105, 121404), (126, 101170), (134, 95130), (140, 91053), (151, 84420), (180, 70819), (201, 63420), (210, 60702), (252, 50585), (268, 47565), (302, 42210), (315, 40468), (335, 38052), (402, 31710), (420, 30351), (453, 28140), (469, 27180), (603, 21140), (604, 21105), (630, 20234), (670, 19026), (755, 16884), (804, 15855), (906, 14070), (938, 13590), (1005, 12684), (1057, 12060), (1206, 10570), (1260, 10117), (1340, 9513), (1359, 9380), (1407, 9060), (1510, 8442), (1812, 7035), (1876, 6795), (2010, 6342), (2114, 6030), (2265, 5628), (2345, 5436), (2412, 5285), (2718, 4690), (2814, 4530), (3015, 4228), (3020, 4221), (3171, 4020)]