30932720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{607}}^1$

素因数の和:647

約数の個数: 120

約数和(自身を含む): 90244224

約数和(自身を除く): 59311504

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 392, 455, 490, 520, 560, 607, 637, 728, 784, 910, 980, 1040, 1214, 1274, 1456, 1820, 1960, 2428, 2548, 3035, 3185, 3640, 3920, 4249, 4856, 5096, 6070, 6370, 7280, 7891, 8498, 9712, 10192, 12140, 12740, 15782, 16996, 21245, 24280, 25480, 29743, 31564, 33992, 39455, 42490, 48560, 50960, 55237, 59486, 63128, 67984, 78910, 84980, 110474, 118972, 126256, 148715, 157820, 169960, 220948, 237944, 276185, 297430, 315640, 339920, 386659, 441896, 475888, 552370, 594860, 631280, 773318, 883792, 1104740, 1189720, 1546636, 1933295, 2209480, 2379440, 3093272, 3866590, 4418960, 6186544, 7733180, 15466360, 30932720]

約数ペア:

[(1, 30932720), (2, 15466360), (4, 7733180), (5, 6186544), (7, 4418960), (8, 3866590), (10, 3093272), (13, 2379440), (14, 2209480), (16, 1933295), (20, 1546636), (26, 1189720), (28, 1104740), (35, 883792), (40, 773318), (49, 631280), (52, 594860), (56, 552370), (65, 475888), (70, 441896), (80, 386659), (91, 339920), (98, 315640), (104, 297430), (112, 276185), (130, 237944), (140, 220948), (182, 169960), (196, 157820), (208, 148715), (245, 126256), (260, 118972), (280, 110474), (364, 84980), (392, 78910), (455, 67984), (490, 63128), (520, 59486), (560, 55237), (607, 50960), (637, 48560), (728, 42490), (784, 39455), (910, 33992), (980, 31564), (1040, 29743), (1214, 25480), (1274, 24280), (1456, 21245), (1820, 16996), (1960, 15782), (2428, 12740), (2548, 12140), (3035, 10192), (3185, 9712), (3640, 8498), (3920, 7891), (4249, 7280), (4856, 6370), (5096, 6070)]