1297265320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1373}}^1$

素因数の和:1499

約数の個数: 128

約数和(自身を含む): 3323980800

約数和(自身を除く): 2026715480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 79, 92, 104, 115, 130, 158, 184, 230, 260, 299, 316, 395, 460, 520, 598, 632, 790, 920, 1027, 1196, 1373, 1495, 1580, 1817, 2054, 2392, 2746, 2990, 3160, 3634, 4108, 5135, 5492, 5980, 6865, 7268, 8216, 9085, 10270, 10984, 11960, 13730, 14536, 17849, 18170, 20540, 23621, 27460, 31579, 35698, 36340, 41080, 47242, 54920, 63158, 71396, 72680, 89245, 94484, 108467, 118105, 126316, 142792, 157895, 178490, 188968, 216934, 236210, 252632, 315790, 356980, 410527, 433868, 472420, 542335, 631580, 713960, 821054, 867736, 944840, 1084670, 1263160, 1410071, 1642108, 2052635, 2169340, 2494741, 2820142, 3284216, 4105270, 4338680, 4989482, 5640284, 7050355, 8210540, 9978964, 11280568, 12473705, 14100710, 16421080, 19957928, 24947410, 28201420, 32431633, 49894820, 56402840, 64863266, 99789640, 129726532, 162158165, 259453064, 324316330, 648632660, 1297265320]

約数ペア:

[(1, 1297265320), (2, 648632660), (4, 324316330), (5, 259453064), (8, 162158165), (10, 129726532), (13, 99789640), (20, 64863266), (23, 56402840), (26, 49894820), (40, 32431633), (46, 28201420), (52, 24947410), (65, 19957928), (79, 16421080), (92, 14100710), (104, 12473705), (115, 11280568), (130, 9978964), (158, 8210540), (184, 7050355), (230, 5640284), (260, 4989482), (299, 4338680), (316, 4105270), (395, 3284216), (460, 2820142), (520, 2494741), (598, 2169340), (632, 2052635), (790, 1642108), (920, 1410071), (1027, 1263160), (1196, 1084670), (1373, 944840), (1495, 867736), (1580, 821054), (1817, 713960), (2054, 631580), (2392, 542335), (2746, 472420), (2990, 433868), (3160, 410527), (3634, 356980), (4108, 315790), (5135, 252632), (5492, 236210), (5980, 216934), (6865, 188968), (7268, 178490), (8216, 157895), (9085, 142792), (10270, 126316), (10984, 118105), (11960, 108467), (13730, 94484), (14536, 89245), (17849, 72680), (18170, 71396), (20540, 63158), (23621, 54920), (27460, 47242), (31579, 41080), (35698, 36340)]