19770293970

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{1423}}^1\times {\mathrm{7351}}^1$

素因数の和:8797

約数の個数: 128

約数和(自身を含む): 60302868480

約数和(自身を除く): 40532574510

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1423, 1890, 2846, 4269, 7115, 7351, 8538, 9961, 12807, 14230, 14702, 19922, 21345, 22053, 25614, 29883, 36755, 38421, 42690, 44106, 49805, 51457, 59766, 64035, 66159, 73510, 76842, 89649, 99610, 102914, 110265, 128070, 132318, 149415, 154371, 179298, 192105, 198477, 220530, 257285, 268947, 298830, 308742, 330795, 384210, 396954, 448245, 463113, 514570, 537894, 661590, 771855, 896490, 926226, 992385, 1344735, 1389339, 1543710, 1984770, 2315565, 2689470, 2778678, 4631130, 6946695, 10460473, 13893390, 20920946, 31381419, 52302365, 62762838, 73223311, 94144257, 104604730, 146446622, 156907095, 188288514, 219669933, 282432771, 313814190, 366116555, 439339866, 470721285, 564865542, 659009799, 732233110, 941442570, 1098349665, 1318019598, 1412163855, 1977029397, 2196699330, 2824327710, 3295048995, 3954058794, 6590097990, 9885146985, 19770293970]

約数ペア:

[(1, 19770293970), (2, 9885146985), (3, 6590097990), (5, 3954058794), (6, 3295048995), (7, 2824327710), (9, 2196699330), (10, 1977029397), (14, 1412163855), (15, 1318019598), (18, 1098349665), (21, 941442570), (27, 732233110), (30, 659009799), (35, 564865542), (42, 470721285), (45, 439339866), (54, 366116555), (63, 313814190), (70, 282432771), (90, 219669933), (105, 188288514), (126, 156907095), (135, 146446622), (189, 104604730), (210, 94144257), (270, 73223311), (315, 62762838), (378, 52302365), (630, 31381419), (945, 20920946), (1423, 13893390), (1890, 10460473), (2846, 6946695), (4269, 4631130), (7115, 2778678), (7351, 2689470), (8538, 2315565), (9961, 1984770), (12807, 1543710), (14230, 1389339), (14702, 1344735), (19922, 992385), (21345, 926226), (22053, 896490), (25614, 771855), (29883, 661590), (36755, 537894), (38421, 514570), (42690, 463113), (44106, 448245), (49805, 396954), (51457, 384210), (59766, 330795), (64035, 308742), (66159, 298830), (73510, 268947), (76842, 257285), (89649, 220530), (99610, 198477), (102914, 192105), (110265, 179298), (128070, 154371), (132318, 149415)]