81500640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:421

約数の個数: 192

約数和(自身を含む): 284751936

約数和(自身を除く): 203251296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 37, 39, 40, 48, 52, 60, 65, 74, 78, 80, 96, 104, 111, 120, 130, 148, 156, 160, 185, 195, 208, 222, 240, 260, 296, 312, 353, 370, 390, 416, 444, 480, 481, 520, 555, 592, 624, 706, 740, 780, 888, 962, 1040, 1059, 1110, 1184, 1248, 1412, 1443, 1480, 1560, 1765, 1776, 1924, 2080, 2118, 2220, 2405, 2824, 2886, 2960, 3120, 3530, 3552, 3848, 4236, 4440, 4589, 4810, 5295, 5648, 5772, 5920, 6240, 7060, 7215, 7696, 8472, 8880, 9178, 9620, 10590, 11296, 11544, 13061, 13767, 14120, 14430, 15392, 16944, 17760, 18356, 19240, 21180, 22945, 23088, 26122, 27534, 28240, 28860, 33888, 36712, 38480, 39183, 42360, 45890, 46176, 52244, 55068, 56480, 57720, 65305, 68835, 73424, 76960, 78366, 84720, 91780, 104488, 110136, 115440, 130610, 137670, 146848, 156732, 169440, 169793, 183560, 195915, 208976, 220272, 230880, 261220, 275340, 313464, 339586, 367120, 391830, 417952, 440544, 509379, 522440, 550680, 626928, 679172, 734240, 783660, 848965, 1018758, 1044880, 1101360, 1253856, 1358344, 1567320, 1697930, 2037516, 2089760, 2202720, 2546895, 2716688, 3134640, 3395860, 4075032, 5093790, 5433376, 6269280, 6791720, 8150064, 10187580, 13583440, 16300128, 20375160, 27166880, 40750320, 81500640]

約数ペア:

[(1, 81500640), (2, 40750320), (3, 27166880), (4, 20375160), (5, 16300128), (6, 13583440), (8, 10187580), (10, 8150064), (12, 6791720), (13, 6269280), (15, 5433376), (16, 5093790), (20, 4075032), (24, 3395860), (26, 3134640), (30, 2716688), (32, 2546895), (37, 2202720), (39, 2089760), (40, 2037516), (48, 1697930), (52, 1567320), (60, 1358344), (65, 1253856), (74, 1101360), (78, 1044880), (80, 1018758), (96, 848965), (104, 783660), (111, 734240), (120, 679172), (130, 626928), (148, 550680), (156, 522440), (160, 509379), (185, 440544), (195, 417952), (208, 391830), (222, 367120), (240, 339586), (260, 313464), (296, 275340), (312, 261220), (353, 230880), (370, 220272), (390, 208976), (416, 195915), (444, 183560), (480, 169793), (481, 169440), (520, 156732), (555, 146848), (592, 137670), (624, 130610), (706, 115440), (740, 110136), (780, 104488), (888, 91780), (962, 84720), (1040, 78366), (1059, 76960), (1110, 73424), (1184, 68835), (1248, 65305), (1412, 57720), (1443, 56480), (1480, 55068), (1560, 52244), (1765, 46176), (1776, 45890), (1924, 42360), (2080, 39183), (2118, 38480), (2220, 36712), (2405, 33888), (2824, 28860), (2886, 28240), (2960, 27534), (3120, 26122), (3530, 23088), (3552, 22945), (3848, 21180), (4236, 19240), (4440, 18356), (4589, 17760), (4810, 16944), (5295, 15392), (5648, 14430), (5772, 14120), (5920, 13767), (6240, 13061), (7060, 11544), (7215, 11296), (7696, 10590), (8472, 9620), (8880, 9178)]