61865440

素因数分解:

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

素因数の和:649

約数の個数: 144

約数和(自身を含む): 183399552

約数和(自身を除く): 121534112

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 364, 392, 416, 455, 490, 520, 560, 607, 637, 728, 784, 910, 980, 1040, 1120, 1214, 1274, 1456, 1568, 1820, 1960, 2080, 2428, 2548, 2912, 3035, 3185, 3640, 3920, 4249, 4856, 5096, 6070, 6370, 7280, 7840, 7891, 8498, 9712, 10192, 12140, 12740, 14560, 15782, 16996, 19424, 20384, 21245, 24280, 25480, 29743, 31564, 33992, 39455, 42490, 48560, 50960, 55237, 59486, 63128, 67984, 78910, 84980, 97120, 101920, 110474, 118972, 126256, 135968, 148715, 157820, 169960, 220948, 237944, 252512, 276185, 297430, 315640, 339920, 386659, 441896, 475888, 552370, 594860, 631280, 679840, 773318, 883792, 951776, 1104740, 1189720, 1262560, 1546636, 1767584, 1933295, 2209480, 2379440, 3093272, 3866590, 4418960, 4758880, 6186544, 7733180, 8837920, 12373088, 15466360, 30932720, 61865440]

約数ペア:

[(1, 61865440), (2, 30932720), (4, 15466360), (5, 12373088), (7, 8837920), (8, 7733180), (10, 6186544), (13, 4758880), (14, 4418960), (16, 3866590), (20, 3093272), (26, 2379440), (28, 2209480), (32, 1933295), (35, 1767584), (40, 1546636), (49, 1262560), (52, 1189720), (56, 1104740), (65, 951776), (70, 883792), (80, 773318), (91, 679840), (98, 631280), (104, 594860), (112, 552370), (130, 475888), (140, 441896), (160, 386659), (182, 339920), (196, 315640), (208, 297430), (224, 276185), (245, 252512), (260, 237944), (280, 220948), (364, 169960), (392, 157820), (416, 148715), (455, 135968), (490, 126256), (520, 118972), (560, 110474), (607, 101920), (637, 97120), (728, 84980), (784, 78910), (910, 67984), (980, 63128), (1040, 59486), (1120, 55237), (1214, 50960), (1274, 48560), (1456, 42490), (1568, 39455), (1820, 33992), (1960, 31564), (2080, 29743), (2428, 25480), (2548, 24280), (2912, 21245), (3035, 20384), (3185, 19424), (3640, 16996), (3920, 15782), (4249, 14560), (4856, 12740), (5096, 12140), (6070, 10192), (6370, 9712), (7280, 8498), (7840, 7891)]