61381530

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{691}}^1$

素因数の和:761

約数の個数: 128

約数和(自身を含む): 191324160

約数和(自身を除く): 129942630

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 47, 54, 63, 70, 90, 94, 105, 126, 135, 141, 189, 210, 235, 270, 282, 315, 329, 378, 423, 470, 630, 658, 691, 705, 846, 945, 987, 1269, 1382, 1410, 1645, 1890, 1974, 2073, 2115, 2538, 2961, 3290, 3455, 4146, 4230, 4837, 4935, 5922, 6219, 6345, 6910, 8883, 9674, 9870, 10365, 12438, 12690, 14511, 14805, 17766, 18657, 20730, 24185, 29022, 29610, 31095, 32477, 37314, 43533, 44415, 48370, 62190, 64954, 72555, 87066, 88830, 93285, 97431, 130599, 145110, 162385, 186570, 194862, 217665, 227339, 261198, 292293, 324770, 435330, 454678, 487155, 584586, 652995, 682017, 876879, 974310, 1136695, 1305990, 1364034, 1461465, 1753758, 2046051, 2273390, 2922930, 3410085, 4092102, 4384395, 6138153, 6820170, 8768790, 10230255, 12276306, 20460510, 30690765, 61381530]

約数ペア:

[(1, 61381530), (2, 30690765), (3, 20460510), (5, 12276306), (6, 10230255), (7, 8768790), (9, 6820170), (10, 6138153), (14, 4384395), (15, 4092102), (18, 3410085), (21, 2922930), (27, 2273390), (30, 2046051), (35, 1753758), (42, 1461465), (45, 1364034), (47, 1305990), (54, 1136695), (63, 974310), (70, 876879), (90, 682017), (94, 652995), (105, 584586), (126, 487155), (135, 454678), (141, 435330), (189, 324770), (210, 292293), (235, 261198), (270, 227339), (282, 217665), (315, 194862), (329, 186570), (378, 162385), (423, 145110), (470, 130599), (630, 97431), (658, 93285), (691, 88830), (705, 87066), (846, 72555), (945, 64954), (987, 62190), (1269, 48370), (1382, 44415), (1410, 43533), (1645, 37314), (1890, 32477), (1974, 31095), (2073, 29610), (2115, 29022), (2538, 24185), (2961, 20730), (3290, 18657), (3455, 17766), (4146, 14805), (4230, 14511), (4837, 12690), (4935, 12438), (5922, 10365), (6219, 9870), (6345, 9674), (6910, 8883)]