19210655360

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{353}}^1$

素因数の和:627

約数の個数: 256

約数和(自身を含む): 51440901120

約数和(自身を除く): 32230245760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 211, 248, 260, 310, 320, 353, 403, 416, 422, 496, 520, 620, 640, 706, 806, 832, 844, 992, 1040, 1055, 1240, 1412, 1612, 1664, 1688, 1765, 1984, 2015, 2080, 2110, 2480, 2743, 2824, 3224, 3376, 3530, 3968, 4030, 4160, 4220, 4589, 4960, 5486, 5648, 6448, 6541, 6752, 7060, 8060, 8320, 8440, 9178, 9920, 10943, 10972, 11296, 12896, 13082, 13504, 13715, 14120, 16120, 16880, 18356, 19840, 21886, 21944, 22592, 22945, 25792, 26164, 27008, 27430, 28240, 32240, 32705, 33760, 36712, 43772, 43888, 45184, 45890, 51584, 52328, 54715, 54860, 56480, 64480, 65410, 67520, 73424, 74483, 85033, 87544, 87776, 91780, 104656, 109430, 109720, 112960, 128960, 130820, 135040, 142259, 146848, 148966, 170066, 175088, 175552, 183560, 209312, 218860, 219440, 225920, 257920, 261640, 284518, 293696, 297932, 340132, 350176, 351104, 367120, 372415, 418624, 425165, 437720, 438880, 523280, 569036, 587392, 595864, 680264, 700352, 711295, 734240, 744830, 837248, 850330, 875440, 877760, 968279, 1046560, 1138072, 1191728, 1360528, 1400704, 1422590, 1468480, 1489660, 1700660, 1750880, 1755520, 1936558, 2093120, 2276144, 2308973, 2383456, 2721056, 2845180, 2936960, 2979320, 3401320, 3501760, 3873116, 4186240, 4552288, 4617946, 4766912, 4841395, 5442112, 5690360, 5958640, 6802640, 7003520, 7746232, 9104576, 9235892, 9533824, 9682790, 10884224, 11380720, 11544865, 11917280, 13605280, 15492464, 18209152, 18471784, 19365580, 22761440, 23089730, 23834560, 27210560, 30016649, 30984928, 36943568, 38731160, 45522880, 46179460, 47669120, 54421120, 60033298, 61969856, 73887136, 77462320, 91045760, 92358920, 120066596, 123939712, 147774272, 150083245, 154924640, 184717840, 240133192, 295548544, 300166490, 309849280, 369435680, 480266384, 600332980, 619698560, 738871360, 960532768, 1200665960, 1477742720, 1921065536, 2401331920, 3842131072, 4802663840, 9605327680, 19210655360]

約数ペア:

[(1, 19210655360), (2, 9605327680), (4, 4802663840), (5, 3842131072), (8, 2401331920), (10, 1921065536), (13, 1477742720), (16, 1200665960), (20, 960532768), (26, 738871360), (31, 619698560), (32, 600332980), (40, 480266384), (52, 369435680), (62, 309849280), (64, 300166490), (65, 295548544), (80, 240133192), (104, 184717840), (124, 154924640), (128, 150083245), (130, 147774272), (155, 123939712), (160, 120066596), (208, 92358920), (211, 91045760), (248, 77462320), (260, 73887136), (310, 61969856), (320, 60033298), (353, 54421120), (403, 47669120), (416, 46179460), (422, 45522880), (496, 38731160), (520, 36943568), (620, 30984928), (640, 30016649), (706, 27210560), (806, 23834560), (832, 23089730), (844, 22761440), (992, 19365580), (1040, 18471784), (1055, 18209152), (1240, 15492464), (1412, 13605280), (1612, 11917280), (1664, 11544865), (1688, 11380720), (1765, 10884224), (1984, 9682790), (2015, 9533824), (2080, 9235892), (2110, 9104576), (2480, 7746232), (2743, 7003520), (2824, 6802640), (3224, 5958640), (3376, 5690360), (3530, 5442112), (3968, 4841395), (4030, 4766912), (4160, 4617946), (4220, 4552288), (4589, 4186240), (4960, 3873116), (5486, 3501760), (5648, 3401320), (6448, 2979320), (6541, 2936960), (6752, 2845180), (7060, 2721056), (8060, 2383456), (8320, 2308973), (8440, 2276144), (9178, 2093120), (9920, 1936558), (10943, 1755520), (10972, 1750880), (11296, 1700660), (12896, 1489660), (13082, 1468480), (13504, 1422590), (13715, 1400704), (14120, 1360528), (16120, 1191728), (16880, 1138072), (18356, 1046560), (19840, 968279), (21886, 877760), (21944, 875440), (22592, 850330), (22945, 837248), (25792, 744830), (26164, 734240), (27008, 711295), (27430, 700352), (28240, 680264), (32240, 595864), (32705, 587392), (33760, 569036), (36712, 523280), (43772, 438880), (43888, 437720), (45184, 425165), (45890, 418624), (51584, 372415), (52328, 367120), (54715, 351104), (54860, 350176), (56480, 340132), (64480, 297932), (65410, 293696), (67520, 284518), (73424, 261640), (74483, 257920), (85033, 225920), (87544, 219440), (87776, 218860), (91780, 209312), (104656, 183560), (109430, 175552), (109720, 175088), (112960, 170066), (128960, 148966), (130820, 146848), (135040, 142259)]