19520280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:170

約数の個数: 192

約数和(自身を含む): 70630560

約数和(自身を除く): 51110280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 43, 45, 52, 60, 65, 72, 78, 86, 90, 97, 104, 117, 120, 129, 130, 156, 172, 180, 194, 195, 215, 234, 258, 260, 291, 312, 344, 360, 387, 388, 390, 430, 468, 485, 516, 520, 559, 582, 585, 645, 774, 776, 780, 860, 873, 936, 970, 1032, 1118, 1164, 1170, 1261, 1290, 1455, 1548, 1560, 1677, 1720, 1746, 1935, 1940, 2236, 2328, 2340, 2522, 2580, 2795, 2910, 3096, 3354, 3492, 3783, 3870, 3880, 4171, 4365, 4472, 4680, 5031, 5044, 5160, 5590, 5820, 6305, 6708, 6984, 7566, 7740, 8342, 8385, 8730, 10062, 10088, 11180, 11349, 11640, 12513, 12610, 13416, 15132, 15480, 16684, 16770, 17460, 18915, 20124, 20855, 22360, 22698, 25026, 25155, 25220, 30264, 33368, 33540, 34920, 37539, 37830, 40248, 41710, 45396, 50052, 50310, 50440, 54223, 56745, 62565, 67080, 75078, 75660, 83420, 90792, 100104, 100620, 108446, 113490, 125130, 150156, 151320, 162669, 166840, 187695, 201240, 216892, 226980, 250260, 271115, 300312, 325338, 375390, 433784, 453960, 488007, 500520, 542230, 650676, 750780, 813345, 976014, 1084460, 1301352, 1501560, 1626690, 1952028, 2168920, 2440035, 3253380, 3904056, 4880070, 6506760, 9760140, 19520280]

約数ペア:

[(1, 19520280), (2, 9760140), (3, 6506760), (4, 4880070), (5, 3904056), (6, 3253380), (8, 2440035), (9, 2168920), (10, 1952028), (12, 1626690), (13, 1501560), (15, 1301352), (18, 1084460), (20, 976014), (24, 813345), (26, 750780), (30, 650676), (36, 542230), (39, 500520), (40, 488007), (43, 453960), (45, 433784), (52, 375390), (60, 325338), (65, 300312), (72, 271115), (78, 250260), (86, 226980), (90, 216892), (97, 201240), (104, 187695), (117, 166840), (120, 162669), (129, 151320), (130, 150156), (156, 125130), (172, 113490), (180, 108446), (194, 100620), (195, 100104), (215, 90792), (234, 83420), (258, 75660), (260, 75078), (291, 67080), (312, 62565), (344, 56745), (360, 54223), (387, 50440), (388, 50310), (390, 50052), (430, 45396), (468, 41710), (485, 40248), (516, 37830), (520, 37539), (559, 34920), (582, 33540), (585, 33368), (645, 30264), (774, 25220), (776, 25155), (780, 25026), (860, 22698), (873, 22360), (936, 20855), (970, 20124), (1032, 18915), (1118, 17460), (1164, 16770), (1170, 16684), (1261, 15480), (1290, 15132), (1455, 13416), (1548, 12610), (1560, 12513), (1677, 11640), (1720, 11349), (1746, 11180), (1935, 10088), (1940, 10062), (2236, 8730), (2328, 8385), (2340, 8342), (2522, 7740), (2580, 7566), (2795, 6984), (2910, 6708), (3096, 6305), (3354, 5820), (3492, 5590), (3783, 5160), (3870, 5044), (3880, 5031), (4171, 4680), (4365, 4472)]