81842040

素因数分解:

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

素因数の和:762

約数の個数: 192

約数和(自身を含む): 310901760

約数和(自身を除く): 229059720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 47, 56, 60, 63, 70, 72, 84, 90, 94, 105, 120, 126, 140, 141, 168, 180, 188, 210, 235, 252, 280, 282, 315, 329, 360, 376, 420, 423, 470, 504, 564, 630, 658, 691, 705, 840, 846, 940, 987, 1128, 1260, 1316, 1382, 1410, 1645, 1692, 1880, 1974, 2073, 2115, 2520, 2632, 2764, 2820, 2961, 3290, 3384, 3455, 3948, 4146, 4230, 4837, 4935, 5528, 5640, 5922, 6219, 6580, 6910, 7896, 8292, 8460, 9674, 9870, 10365, 11844, 12438, 13160, 13820, 14511, 14805, 16584, 16920, 19348, 19740, 20730, 23688, 24185, 24876, 27640, 29022, 29610, 31095, 32477, 38696, 39480, 41460, 43533, 48370, 49752, 58044, 59220, 62190, 64954, 72555, 82920, 87066, 96740, 97431, 116088, 118440, 124380, 129908, 145110, 162385, 174132, 193480, 194862, 217665, 227339, 248760, 259816, 290220, 292293, 324770, 348264, 389724, 435330, 454678, 487155, 580440, 584586, 649540, 682017, 779448, 870660, 909356, 974310, 1136695, 1169172, 1299080, 1364034, 1461465, 1741320, 1818712, 1948620, 2046051, 2273390, 2338344, 2728068, 2922930, 3410085, 3897240, 4092102, 4546780, 5456136, 5845860, 6820170, 8184204, 9093560, 10230255, 11691720, 13640340, 16368408, 20460510, 27280680, 40921020, 81842040]

約数ペア:

[(1, 81842040), (2, 40921020), (3, 27280680), (4, 20460510), (5, 16368408), (6, 13640340), (7, 11691720), (8, 10230255), (9, 9093560), (10, 8184204), (12, 6820170), (14, 5845860), (15, 5456136), (18, 4546780), (20, 4092102), (21, 3897240), (24, 3410085), (28, 2922930), (30, 2728068), (35, 2338344), (36, 2273390), (40, 2046051), (42, 1948620), (45, 1818712), (47, 1741320), (56, 1461465), (60, 1364034), (63, 1299080), (70, 1169172), (72, 1136695), (84, 974310), (90, 909356), (94, 870660), (105, 779448), (120, 682017), (126, 649540), (140, 584586), (141, 580440), (168, 487155), (180, 454678), (188, 435330), (210, 389724), (235, 348264), (252, 324770), (280, 292293), (282, 290220), (315, 259816), (329, 248760), (360, 227339), (376, 217665), (420, 194862), (423, 193480), (470, 174132), (504, 162385), (564, 145110), (630, 129908), (658, 124380), (691, 118440), (705, 116088), (840, 97431), (846, 96740), (940, 87066), (987, 82920), (1128, 72555), (1260, 64954), (1316, 62190), (1382, 59220), (1410, 58044), (1645, 49752), (1692, 48370), (1880, 43533), (1974, 41460), (2073, 39480), (2115, 38696), (2520, 32477), (2632, 31095), (2764, 29610), (2820, 29022), (2961, 27640), (3290, 24876), (3384, 24185), (3455, 23688), (3948, 20730), (4146, 19740), (4230, 19348), (4837, 16920), (4935, 16584), (5528, 14805), (5640, 14511), (5922, 13820), (6219, 13160), (6580, 12438), (6910, 11844), (7896, 10365), (8292, 9870), (8460, 9674)]