18016453520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{4079}}^1$

素因数の和:4273

約数の個数: 160

約数和(自身を含む): 46916997120

約数和(自身を除く): 28900543600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 137, 155, 208, 248, 260, 274, 310, 403, 496, 520, 548, 620, 685, 806, 1040, 1096, 1240, 1370, 1612, 1781, 2015, 2192, 2480, 2740, 3224, 3562, 4030, 4079, 4247, 5480, 6448, 7124, 8060, 8158, 8494, 8905, 10960, 14248, 16120, 16316, 16988, 17810, 20395, 21235, 28496, 32240, 32632, 33976, 35620, 40790, 42470, 53027, 55211, 65264, 67952, 71240, 81580, 84940, 106054, 110422, 126449, 142480, 163160, 169880, 212108, 220844, 252898, 265135, 276055, 326320, 339760, 424216, 441688, 505796, 530270, 552110, 558823, 632245, 848432, 883376, 1011592, 1060540, 1104220, 1117646, 1264490, 1643837, 2023184, 2121080, 2208440, 2235292, 2528980, 2794115, 3287674, 4242160, 4416880, 4470584, 5057960, 5588230, 6575348, 7264699, 8219185, 8941168, 10115920, 11176460, 13150696, 14529398, 16438370, 17323513, 22352920, 26301392, 29058796, 32876740, 34647026, 36323495, 44705840, 58117592, 65753480, 69294052, 72646990, 86617565, 116235184, 131506960, 138588104, 145293980, 173235130, 225205669, 277176208, 290587960, 346470260, 450411338, 581175920, 692940520, 900822676, 1126028345, 1385881040, 1801645352, 2252056690, 3603290704, 4504113380, 9008226760, 18016453520]

約数ペア:

[(1, 18016453520), (2, 9008226760), (4, 4504113380), (5, 3603290704), (8, 2252056690), (10, 1801645352), (13, 1385881040), (16, 1126028345), (20, 900822676), (26, 692940520), (31, 581175920), (40, 450411338), (52, 346470260), (62, 290587960), (65, 277176208), (80, 225205669), (104, 173235130), (124, 145293980), (130, 138588104), (137, 131506960), (155, 116235184), (208, 86617565), (248, 72646990), (260, 69294052), (274, 65753480), (310, 58117592), (403, 44705840), (496, 36323495), (520, 34647026), (548, 32876740), (620, 29058796), (685, 26301392), (806, 22352920), (1040, 17323513), (1096, 16438370), (1240, 14529398), (1370, 13150696), (1612, 11176460), (1781, 10115920), (2015, 8941168), (2192, 8219185), (2480, 7264699), (2740, 6575348), (3224, 5588230), (3562, 5057960), (4030, 4470584), (4079, 4416880), (4247, 4242160), (5480, 3287674), (6448, 2794115), (7124, 2528980), (8060, 2235292), (8158, 2208440), (8494, 2121080), (8905, 2023184), (10960, 1643837), (14248, 1264490), (16120, 1117646), (16316, 1104220), (16988, 1060540), (17810, 1011592), (20395, 883376), (21235, 848432), (28496, 632245), (32240, 558823), (32632, 552110), (33976, 530270), (35620, 505796), (40790, 441688), (42470, 424216), (53027, 339760), (55211, 326320), (65264, 276055), (67952, 265135), (71240, 252898), (81580, 220844), (84940, 212108), (106054, 169880), (110422, 163160), (126449, 142480)]