7159450120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{1321}}^1$

素因数の和:1535

約数の個数: 128

約数和(自身を含む): 17338717440

約数和(自身を除く): 10179267320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 137, 172, 184, 215, 230, 274, 344, 430, 460, 548, 685, 860, 920, 989, 1096, 1321, 1370, 1720, 1978, 2642, 2740, 3151, 3956, 4945, 5284, 5480, 5891, 6302, 6605, 7912, 9890, 10568, 11782, 12604, 13210, 15755, 19780, 23564, 25208, 26420, 29455, 30383, 31510, 39560, 47128, 52840, 56803, 58910, 60766, 63020, 113606, 117820, 121532, 126040, 135493, 151915, 180977, 227212, 235640, 243064, 270986, 284015, 303830, 361954, 454424, 541972, 568030, 607660, 677465, 723908, 904885, 1083944, 1136060, 1215320, 1306469, 1354930, 1447816, 1809770, 2272120, 2612938, 2709860, 3619540, 4162471, 5225876, 5419720, 6532345, 7239080, 7782011, 8324942, 10451752, 13064690, 15564022, 16649884, 20812355, 26129380, 31128044, 33299768, 38910055, 41624710, 52258760, 62256088, 77820110, 83249420, 155640220, 166498840, 178986253, 311280440, 357972506, 715945012, 894931265, 1431890024, 1789862530, 3579725060, 7159450120]

約数ペア:

[(1, 7159450120), (2, 3579725060), (4, 1789862530), (5, 1431890024), (8, 894931265), (10, 715945012), (20, 357972506), (23, 311280440), (40, 178986253), (43, 166498840), (46, 155640220), (86, 83249420), (92, 77820110), (115, 62256088), (137, 52258760), (172, 41624710), (184, 38910055), (215, 33299768), (230, 31128044), (274, 26129380), (344, 20812355), (430, 16649884), (460, 15564022), (548, 13064690), (685, 10451752), (860, 8324942), (920, 7782011), (989, 7239080), (1096, 6532345), (1321, 5419720), (1370, 5225876), (1720, 4162471), (1978, 3619540), (2642, 2709860), (2740, 2612938), (3151, 2272120), (3956, 1809770), (4945, 1447816), (5284, 1354930), (5480, 1306469), (5891, 1215320), (6302, 1136060), (6605, 1083944), (7912, 904885), (9890, 723908), (10568, 677465), (11782, 607660), (12604, 568030), (13210, 541972), (15755, 454424), (19780, 361954), (23564, 303830), (25208, 284015), (26420, 270986), (29455, 243064), (30383, 235640), (31510, 227212), (39560, 180977), (47128, 151915), (52840, 135493), (56803, 126040), (58910, 121532), (60766, 117820), (63020, 113606)]