81430608

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:245

約数の個数: 160

約数和(自身を含む): 254626560

約数和(自身を除く): 173195952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 29, 42, 48, 56, 58, 61, 84, 87, 112, 116, 122, 137, 168, 174, 183, 203, 232, 244, 274, 336, 348, 366, 406, 411, 427, 464, 488, 548, 609, 696, 732, 812, 822, 854, 959, 976, 1096, 1218, 1281, 1392, 1464, 1624, 1644, 1708, 1769, 1918, 2192, 2436, 2562, 2877, 2928, 3248, 3288, 3416, 3538, 3836, 3973, 4872, 5124, 5307, 5754, 6576, 6832, 7076, 7672, 7946, 8357, 9744, 10248, 10614, 11508, 11919, 12383, 14152, 15344, 15892, 16714, 20496, 21228, 23016, 23838, 24766, 25071, 27811, 28304, 31784, 33428, 37149, 42456, 46032, 47676, 49532, 50142, 55622, 58499, 63568, 66856, 74298, 83433, 84912, 95352, 99064, 100284, 111244, 116998, 133712, 148596, 166866, 175497, 190704, 198128, 200568, 222488, 233996, 242353, 297192, 333732, 350994, 401136, 444976, 467992, 484706, 594384, 667464, 701988, 727059, 935984, 969412, 1334928, 1403976, 1454118, 1696471, 1938824, 2807952, 2908236, 3392942, 3877648, 5089413, 5816472, 6785884, 10178826, 11632944, 13571768, 20357652, 27143536, 40715304, 81430608]

約数ペア:

[(1, 81430608), (2, 40715304), (3, 27143536), (4, 20357652), (6, 13571768), (7, 11632944), (8, 10178826), (12, 6785884), (14, 5816472), (16, 5089413), (21, 3877648), (24, 3392942), (28, 2908236), (29, 2807952), (42, 1938824), (48, 1696471), (56, 1454118), (58, 1403976), (61, 1334928), (84, 969412), (87, 935984), (112, 727059), (116, 701988), (122, 667464), (137, 594384), (168, 484706), (174, 467992), (183, 444976), (203, 401136), (232, 350994), (244, 333732), (274, 297192), (336, 242353), (348, 233996), (366, 222488), (406, 200568), (411, 198128), (427, 190704), (464, 175497), (488, 166866), (548, 148596), (609, 133712), (696, 116998), (732, 111244), (812, 100284), (822, 99064), (854, 95352), (959, 84912), (976, 83433), (1096, 74298), (1218, 66856), (1281, 63568), (1392, 58499), (1464, 55622), (1624, 50142), (1644, 49532), (1708, 47676), (1769, 46032), (1918, 42456), (2192, 37149), (2436, 33428), (2562, 31784), (2877, 28304), (2928, 27811), (3248, 25071), (3288, 24766), (3416, 23838), (3538, 23016), (3836, 21228), (3973, 20496), (4872, 16714), (5124, 15892), (5307, 15344), (5754, 14152), (6576, 12383), (6832, 11919), (7076, 11508), (7672, 10614), (7946, 10248), (8357, 9744)]