12771420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{659}}^1$

素因数の和:707

約数の個数: 96

約数和(自身を含む): 39916800

約数和(自身を除く): 27145380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 170, 190, 204, 228, 255, 285, 323, 340, 380, 510, 570, 646, 659, 969, 1020, 1140, 1292, 1318, 1615, 1938, 1977, 2636, 3230, 3295, 3876, 3954, 4845, 6460, 6590, 7908, 9690, 9885, 11203, 12521, 13180, 19380, 19770, 22406, 25042, 33609, 37563, 39540, 44812, 50084, 56015, 62605, 67218, 75126, 112030, 125210, 134436, 150252, 168045, 187815, 212857, 224060, 250420, 336090, 375630, 425714, 638571, 672180, 751260, 851428, 1064285, 1277142, 2128570, 2554284, 3192855, 4257140, 6385710, 12771420]

約数ペア:

[(1, 12771420), (2, 6385710), (3, 4257140), (4, 3192855), (5, 2554284), (6, 2128570), (10, 1277142), (12, 1064285), (15, 851428), (17, 751260), (19, 672180), (20, 638571), (30, 425714), (34, 375630), (38, 336090), (51, 250420), (57, 224060), (60, 212857), (68, 187815), (76, 168045), (85, 150252), (95, 134436), (102, 125210), (114, 112030), (170, 75126), (190, 67218), (204, 62605), (228, 56015), (255, 50084), (285, 44812), (323, 39540), (340, 37563), (380, 33609), (510, 25042), (570, 22406), (646, 19770), (659, 19380), (969, 13180), (1020, 12521), (1140, 11203), (1292, 9885), (1318, 9690), (1615, 7908), (1938, 6590), (1977, 6460), (2636, 4845), (3230, 3954), (3295, 3876)]