204928920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{27107}}^1$

素因数の和:27134

約数の個数: 128

約数和(自身を含む): 780710400

約数和(自身を除く): 575781480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 27107, 54214, 81321, 108428, 135535, 162642, 189749, 216856, 243963, 271070, 325284, 379498, 406605, 487926, 542140, 569247, 650568, 731889, 758996, 813210, 948745, 975852, 1084280, 1138494, 1219815, 1463778, 1517992, 1626420, 1707741, 1897490, 1951704, 2276988, 2439630, 2846235, 2927556, 3252840, 3415482, 3659445, 3794980, 4553976, 4879260, 5123223, 5692470, 5855112, 6830964, 7318890, 7589960, 8538705, 9758520, 10246446, 11384940, 13661928, 14637780, 17077410, 20492892, 22769880, 25616115, 29275560, 34154820, 40985784, 51232230, 68309640, 102464460, 204928920]

約数ペア:

[(1, 204928920), (2, 102464460), (3, 68309640), (4, 51232230), (5, 40985784), (6, 34154820), (7, 29275560), (8, 25616115), (9, 22769880), (10, 20492892), (12, 17077410), (14, 14637780), (15, 13661928), (18, 11384940), (20, 10246446), (21, 9758520), (24, 8538705), (27, 7589960), (28, 7318890), (30, 6830964), (35, 5855112), (36, 5692470), (40, 5123223), (42, 4879260), (45, 4553976), (54, 3794980), (56, 3659445), (60, 3415482), (63, 3252840), (70, 2927556), (72, 2846235), (84, 2439630), (90, 2276988), (105, 1951704), (108, 1897490), (120, 1707741), (126, 1626420), (135, 1517992), (140, 1463778), (168, 1219815), (180, 1138494), (189, 1084280), (210, 975852), (216, 948745), (252, 813210), (270, 758996), (280, 731889), (315, 650568), (360, 569247), (378, 542140), (420, 487926), (504, 406605), (540, 379498), (630, 325284), (756, 271070), (840, 243963), (945, 216856), (1080, 189749), (1260, 162642), (1512, 135535), (1890, 108428), (2520, 81321), (3780, 54214), (7560, 27107)]