12747780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 144

約数和(自身を含む): 41705664

約数和(自身を除く): 28957884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 61, 81, 86, 90, 108, 122, 129, 135, 162, 172, 180, 183, 215, 243, 244, 258, 270, 305, 324, 366, 387, 405, 430, 486, 516, 540, 549, 610, 645, 732, 774, 810, 860, 915, 972, 1098, 1161, 1215, 1220, 1290, 1548, 1620, 1647, 1830, 1935, 2196, 2322, 2430, 2580, 2623, 2745, 3294, 3483, 3660, 3870, 4644, 4860, 4941, 5246, 5490, 5805, 6588, 6966, 7740, 7869, 8235, 9882, 10449, 10492, 10980, 11610, 13115, 13932, 14823, 15738, 16470, 17415, 19764, 20898, 23220, 23607, 24705, 26230, 29646, 31476, 32940, 34830, 39345, 41796, 47214, 49410, 52245, 52460, 59292, 69660, 70821, 74115, 78690, 94428, 98820, 104490, 118035, 141642, 148230, 157380, 208980, 212463, 236070, 283284, 296460, 354105, 424926, 472140, 637389, 708210, 849852, 1062315, 1274778, 1416420, 2124630, 2549556, 3186945, 4249260, 6373890, 12747780]

約数ペア:

[(1, 12747780), (2, 6373890), (3, 4249260), (4, 3186945), (5, 2549556), (6, 2124630), (9, 1416420), (10, 1274778), (12, 1062315), (15, 849852), (18, 708210), (20, 637389), (27, 472140), (30, 424926), (36, 354105), (43, 296460), (45, 283284), (54, 236070), (60, 212463), (61, 208980), (81, 157380), (86, 148230), (90, 141642), (108, 118035), (122, 104490), (129, 98820), (135, 94428), (162, 78690), (172, 74115), (180, 70821), (183, 69660), (215, 59292), (243, 52460), (244, 52245), (258, 49410), (270, 47214), (305, 41796), (324, 39345), (366, 34830), (387, 32940), (405, 31476), (430, 29646), (486, 26230), (516, 24705), (540, 23607), (549, 23220), (610, 20898), (645, 19764), (732, 17415), (774, 16470), (810, 15738), (860, 14823), (915, 13932), (972, 13115), (1098, 11610), (1161, 10980), (1215, 10492), (1220, 10449), (1290, 9882), (1548, 8235), (1620, 7869), (1647, 7740), (1830, 6966), (1935, 6588), (2196, 5805), (2322, 5490), (2430, 5246), (2580, 4941), (2623, 4860), (2745, 4644), (3294, 3870), (3483, 3660)]